Computer Support Forum

2nd HDD detected by BIOS but not Windows 7

Question: 2nd HDD detected by BIOS but not Windows 7

BIOS can detect my second SATA HDD (WDC) but my OS (Windows 7) can't.I am using Asus P6T motherboard. I've checked device manager still can't find the disk drive.Also checked disk management but still no sign. Ever, once, it appeared in disk management but when I tried to change the drive letter and rename the disk it didn't work. Please help, important data on the disk..

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Preferred Solution: 2nd HDD detected by BIOS but not Windows 7

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Answer: 2nd HDD detected by BIOS but not Windows 7

BIOS can detect my second SATA HDD (WDC) but my OS (Windows 7) can't.Why not use a usb transfer cable and get your info off the drive? HELP in posting on plus free progs and instructions Cheers

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I should have came to this conclusion sooner, but my current re-installation of Windows has some problems that I haven't had the time to address until now. What I need, though, is access to the repair function on the disk. However, herein lies my problem...

When I boot up, media in the drive or no media, bios does not show the drive in its list. I can still open and close the drive as if nothing is wrong there, but I cannot "boot from CD". I've reset my bios back to defaults and while the drive appeared on IDE Channel 1 in the settings, it still would not recognize ANY media while booting up.

I have the latest version of my bios. I have also tried changing cables. The drive is on an IDE channel by itself.

Once my system boots into Windows, however, the drive is recognized and acts normally as if nothing happened in bios. Media operates fine. I have checked the event viewer, and there are no entries anywhere that states my optical drive has been experiencing problems, and yes, in fact it operates just like it always does.

Can anyone help me get my bios and cdrom back together again? The problem is I just do not know where to start to solve this. I wish I could say how long this has been happening, but I really don't know as of today. There have been no hardware changes in the past three months, and my current installation and configuration began back in late April.

Thanks for your time...

Answer:CD/DVDROM drive - not detected by bios, detected by Windows?

What is the boot sequence in the bios? should be CD or optical drive first, then Hard Drive or IDE-0 second if you want to boot from the cd-drive. Many computer manufacturers set the computer to automatically boot off of the hard drive by default so setting the factory defaults might not be what you are looking for. Look for the screen that has the boot order or sequence and just change it, exit and save settings and restart the computer with the boot cd in the drive. I hope that helps.

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Hello, I recently bought a Probook 450 G4, i7 7500U with 1 TO HDD and 8GB RAM. I wanted to upgrade it with an SSD so I bought a ADATA Premier SP550 2280 M.2 SSD. The BIOS detected it normally, but windows installer wouldn't find it. I removed the HDD and tried again, same issue. I then installed windows 10 on the HDD to try and format the SSD in windows and surprise! no sign of the SSD nowhere, not in browser nor in Disk Managment or Diskpart. Apparently HP disabled the M.2 port in BIOS as mentioned here ( ) I updated the BIOS the the latest version provided by HP for my laptop model and the same issue is still ongoing, this is a 120$ SSD that I can't use nor return as the problem is the HP product not ADATA's SSD! The simplest solution is in the hands of HP, just release a BIOS update with the M.2 port ENABLED ! why brag about having a M.2 port in your products and then DISABLE it ?! Any insights please ? Many Thanks. PS: I started a new thread yesterday and it is no longer available now ! did HP remove it or what ? it was there for a while and I'm sure! what a shame !   

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i am being trouble by my hardisk coz i can't install windows in it so i came to my friend and tested my hardisk well it's in the bios so i thought it's ok but when the windows start and the message detected new device was shown we go to my computer but it's not there so we thought that maybe my HD doesn't have a format (NTFS/FAT32) so we install partition magic so we can format it but even partition magic can't detect it is my HD done for it? thanks

Answer:HDD detected in Bios But not in Windows

Look for it in disk management. Right click My Computer > Manage

Click on Disk Management.

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I have an IBM IntelliStation M Pro and wanted to un/re-install Windows XP on my computer. But it could not be done because the HDD is not detected in the BIOS but it works fine in Windows. The Windows installation disk doesn't detect the HDD either. What can I do to get it detected in the BIOS so I can un/re-install Windows again?


Answer:HDD not detected in BIOS but in Windows

back up your data first off i can help guide you through some different options but just for the sake of it, any data not saved twice is data you dont care about.

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I have a Lenovo T410s - 29123RU BIOS - V1.5 (6UET70WW) 2012-10-11 - (updated from V1.1 this morning hoping it wold solve the problem)ECV - 1.14MTM - 29123RUCPU - Intel Core i5 M520 @ 2.4GHzRAM - DDR3 - 4GBx2 - PC3-10600s This laptop uses a 250GB - 1.8" Micro Sata HDDTOSHIBA MK2529GSG - 250GB - HDD1F07 M BL02 The other day the laptop was running fine then all of a sudden crashed.  I tried to reeboot and i got -  ERROR 2100: HDD0 (HARD DISK DRIVE) INITIALIZATION ERROR (2)PRESS ESC TO CONTINUE I have run scans on the drive itself using: HD Tune ProHDD RgeneratorCrystalDiskInfoTestDiskUBCD- ViVard v4.0- TAFT v1.2Passmark BurIn Test Pro v8.1 All the tests came back excellent which lead me to see if it was a BIOS issue.  I downoaded the updated v1.5 this morning and replaced the original v1.1.  No change in HDD detection. What really puzzles me is that when i use an OS through my USB or USB-SSD, they detect the drive and I am able to read/write to the entire drive without any loss of data or S.M.A.R.T. errors.  I just can't use this as my primary drive anymore because it will not initialize with BIOS.  I am hoping that I do not need to replace the MOBO as they go from $50 - $150 US plus shipping.   OS's used:Win10x64Win7x64WinXPWin98SELinuxMintBT5-R3KaliLinuxUBCD - FreeDOS - LINUXDoss6.22 Any thoughts on this issue would be greatly appreciated

Answer:ThinkPad T410s - Primary Micro SATA HDD not detected by BIOS - Only Detected By OS Platforms

It sounds like something is timing out.  It is hard to be sure without swapping either the drive or the MB.  You might go into the BIOS and select diagnostic mode for boot.  That would do a memory test and it might slow things down enough to mask the problem

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Hi there!

I've been trying to get my bluetooth working for the past few weeks with no luck. The device doesn't appear in Device Manager, and the drivers that I've tried (both from dell, and apart from dell since they only support Vista and XP with Studio 1535) all have given me the response of no device detected.

In my bios, in the Device Info section, there are no WPAN detected, which I understood was my bluetooth.

My spec's are:
Windows 7 - 32 bit
Studio 1535

In Device Manager, I have two "Base System Device"
Hardware ID of first:
Hardware ID of second:

Could anyone have an insight on how to fix my bluetooth device? Any efforts are appreciated

Answer:Bluetooth not detected in windows, or in the bios

*It's a built in bluetooth device*

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Decided to install an aftermarket DVD drive from my old pc. It powers on and the tray works. It's the only IDE drive that is connected to my motherboard. It shows up in BIOS under boot device priority but can't be found once I log into windows. I've tried making adjustments in the registry, disconnecting and reconnecting the drive and all jumper options (Master,Slave,Cable Select). After the BIOS screen it pulls up a JMicron screen that displays the drive name in green lettering. The DVD Drive in question is a Pioneer model DVR-A18M. Any help in resolving this matter is appreciated. I would just buy another SATA drive but don't see the need when I know this one is functional. (plus it cost me 3x the amount of my Asus SATA drive)

Answer:DVD Drive detected by BIOS but not Windows

New SATA CD/DVD burner drives are cheap. Newegg sells them for under $20. Not worth the hassle of trying to make an old PATA drive work, regardless of how much it initially cost.

But, the PATA drive, being the only PATA device should be set (jumper on the rear of the drive) for Master. That may make it work. If it won't work set as Master, set it as Cable Select (labled CS or CSEL on drive). On the other hand, There may be some driver needed to make the PATA controller active in Windows.

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Trying to sort out a PC for a friend, it should have an AMD Phenom II X6 1050T CPU. However every test I've tried now says it's only a Dual Core CPU, on Boot it's identified as an Opteron dual core CPU. A clean install of W7 followed by an upgrade to W10 has failed to make any difference.
The board is a Gigabyte GA-MA790XT with 12GB of RAM, despite this it runs very slow. A Broadband speed test averages around 80Mbps, which is slow when it's on a 350 Mbps business connection on which a Laptop earlier today peaked at 390Mbps. I'm baffled at the moment.

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Ive recently installing a DVD drive (Pioneer DVD-ROM DVD-104) into a mates PC. Windows detects the drive fine - read DVDs etc but when I enter the BIOS (Intel Corporation D865GLC) it fails to detect it. Any ideas?

Answer:DVD Drive detected by windows but not buy BIOS

Look again. That doesn't seem possible.

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I have been facing some strange problems with hd drives lately:

I have a pc (xp pro sp2) with 3 sata hard drives. All of them are connected as ide though, because we did not want to put them on raid... (at least this is what I understood from the tech guy who made the configuration)

HDD 1 (drive C) : WesternDigital 75G / 10.000rpm - has all windows and programs installed
HDD 2 (drive D) : Maxtor 300G / 7200rpm - only for files and storage
HDD 3 (drive E) : Maxtor 300G / 7200 rpm - only for files and storage

(motherboard is MSI 975X Platinum)

2 months ago HDD 3 starts showing "windows write failed" though even if I was not working on this drive. After various efforts I couldn't fix the problem so, I unplugged the drive in order to be able to continue working, thinking I could solve the problem later.

1 month ago the (while working only with the 2 drives) the internal power supply (450w) failed so we replaced it with a 550w and connected again the HDD 3 to check if it was a problem caused by the power supply. Everything seemed to work fine again.

Until 2 days ago, I get a blue checkdisk screen for drive E, which while running it says that almost every sector from drive E is not readable (I don't remember exactly the phrase it was displaying) After that, drive E (HDD 3) has disappeared from windows although it is connected on the motherboard.

Today, I decided to take a look at this problem and as i check the bios first to see if drive E is de... Read more

Answer:HDD not detected by BIOS but visible and in windows

It could be possible that when the old power supply took a bite that it might have messed up the BIOS in the computer just a bit. I usually do not recommend doing this because it could be a bit dangerous if anything goes wrong during the update process like any power outages even just for a split second it will trash the BIOS flashing. If you have never done this before I would strongly suggest getting someone to help you that has experience at this type of procedure.

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Pentium 4 2.8ghz 1 gig ram.Purchased this tower from ebay, turned it on to find the dvd drive is not showing in my computer.checked in device manager and not there. So I checked in the bios not detected. Checked all the connections nothing happening. Had a look on the techy forums and the general conclusion was a dead dvd purchased the lg dvd drive and all that happened when I installed it was raid controller appeared in device manager under other devices with a yellow question mark. I have no idea what this is or if it has anything to do with the dvd drive.The drive is LG GH22NS50 Black Dual Layer DVD?RW Writer Please help!!!!

Answer:dvd drive not detected in windows xp or bios

Try a different cable, plugged into a different port on the motherbaord.Also check that the jumpers don't need setting (unusual if they did on a SATA drive, but no unheard of).

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Hi all, I've been banging my head against this problem for a few days now with little progress. I have a 128gb MyDigitalSSD SC2 drive, purchased in Dec 2013, installed in the laptop running 8.1. It was working fine until I had to close the laptop during a Windows update, which ended up causing a ton of problems (lesson learned). So I went to reinstall Windows and cannot get the drive to show up in the partitions list. Also tried loading a few other live CDs (ubuntu and Acronis True Image), all of which could not detect the drive. I've tried changing UEFI boot to legacy, changing SATA mode to IDE, turning off secure boot.. nothing will get this thing to show up. My next thought was the drive itself died, however the BIOS continues to detect it as a hard drive along the lines of 'SC2 M2' which leads me to believe the drive is fine? Has anyone experienced similar problems or could suggest a solution?Thanks,kuff

Answer:y510p - ssd detected in bios but not in windows installation?

Since you have decided to reinstall the OS try removing the ssd first and place it in an external enclosure or by using an adapter. Connect the adapter or enclosure to another unit. Using Disk management erase all partitions that you can see that exist in the ssd. Put back the ssd to your unit and install the OS.

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I know this is has been addressed before; however, the responses did not solve my issue. I will include more detail about my issue in hopes of a better diagnoses.I accidentally changed my external hard drive from NTFS to HFS when prompted, while connecting via USB to a macbook. Now I can no longer see the hard drive via USB or direct connection to my PC.I took it out it's case and noticed it has an IDE connection for a motherboard that only has SATA connections. I purchased an IDE to SATA Adapter and installed it into my computer.......nothing. The BIOS and Windows still does not see this drive. I am aware I have two separate issues. In order to correct the file structure issue I have to gain access to the drive. HELP!!!!!!!!!!!!!!!!!Information:The hard drive powers up both in the external case and with the adapter. OS:1. Windows 7 Professional x64 (with all updates)Mother Board:1. ASRock 880G Extreme 3 (with latest bios)AMD Phenom II X4 965 Black EditionBIOS:1. BIOS is set to IDE modeHard Drive:1. Westrn Digital WD2000JB-00GVA0(single or master pin setting)Adapter:ULTRA SATA to IDE 100/133 Adapter #ULT40322

Answer:Hard Drive not detected by Windows or BIOS

connect it to a mac and reformat it to a linux live cd, that may see it, and use the linux to mobo probably cant see it due to it been ide, try connecting the drive to an older pc if detected format from therei hate computers!but cant help myself....

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I want to be able to boot my Toshiba Satellite laptop P205D-S7436 using an external sata hard drive using an enclosure connected to an Esata express card. The hard drive is detected in windows, but not in the first screen of the BIOS. The BIOS does not allow search for additonal hard drives. I have a internal Hitachi 120 gb hd installed. The external hd is a Hitachi 500 gb 2.5 sata hd. If I use a USB cable, the drive is detected in the boot section of the BIOS but will not boot. From what I have read on the internet the USB is too slow to boot, but a sata drive should be capable. I don't understand why the esata connected drive is detected in windows, but not in the BIOS. I have looked for BIOS updates that address this problem but have not found any. Any sugestions?

Answer:External Sata Hd detected in windows, not in BIOS

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Hi, I'm hoping someone can help me with this problem. I have two WD SATA drives (WD3200AAKS & WD6400AAKS) which have worked fine for a few months. Now I'm trying to install a third SATA drive (another WD6400AAKS).
BIOS detects it on IDE Channel 2 (Master) with correct specs. AHCI and RAID are disabled. During bootup, I can see all 3 drives detected at POST.
My problem is that Windows XP doesn't detect the third drive. When I go to Computer Management > Disk Manager, there's no sign of the drive. I see no way to format it.
Any help would be greatly appreciated.
Thank you.

Answer:3rd Hard Drive detected in BIOS but NOT in Windows

Is this drive right out of the box?
That is to say, un-partitioned and un-formatted?

I have never, ever, presented a new hard drive to Windows without first booting the system up to DOS and partitioning and formatting the drive.

For safety, the new drive should be the only one connected during this process, so you don't wind up formatting your OS drive.

If your SATA port on your mobo is SATA2, then make sure that the SATA1 jumper on the back of the drive is REMOVED. Otherwise, the drive will NOT be seen. IT's a minor detail, but it's already bit a bunch of people in the pants.

I use my Windows ME boot disk to FDISK and Format every hard drive I get before I ever present it to Windows XP.
But then, I use nothing but FAT-32 for all my drives.

Even if you set up a drive as FAT-32, in Windows there's a Utility to convert it to NTFS, if that's what you want.

Almost an afterthought.......make sure the data cables are TIGHT.
They have a real bad habit of working loose. I fasten all my SATA cables to my drives with HOT GLUE, so they can't come loose.

Good Luck,
The Shadow :cool

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Any ideas on this anyone?
A SATA 2.5" drive has a corrupted OS on it and I want to format it and then reinstall a fresh copy of Windows.
The drive is detected by the BIOS but does not show up as an available drive in the install routine (no drives found). I
If I remove the drive and connect it as a SATA drive to a desktop (so I can format it that way), it again shows up on the BIOS but is not available as a drive in Windows Explorer.
This drive has been pre-repaired by PCWorld - I wonder if they did anything odd to it?

Answer:Drive detected by BIOS but not by Windows installer

After connecting the drive to your desktop, please go to control panel > admin tools > computer management > Disk Management.

If your drive shows up there, it mean physically it is ok, just that its partition tables has gone wonky.

You can simply delete the existing partition tables there, and re-create new one and format it. Hopefully that will work and solve your issue.

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Hard drive not detected by Windows or BIOS [SOLVED]

I know this is has been addressed before; however, the responses did not solve my issue. I will include more detail about my issue in hopes of a better diagnoses.

I accidentally changed my external hard drive from NTFS to HFS when prompted, while connecting via USB to a macbook. Now I can no longer see the hard drive via USB or direct connection to my PC.

I took it out it's case and noticed it has an IDE connection for a motherboard that only has SATA connections. I purchased an IDE to SATA Adapter and installed it into my computer.......nothing. The BIOS and Windows still does not see this drive.

I am aware I have two separate issues. In order to correct the file structure issue I have to gain access to the drive.



The hard drive powers up both in the external case and with the adapter.

1. Windows 7 Professional x64 (with all updates)

Mother Board:
1. ASRock 880G Extreme 3 (with latest bios)
AMD Phenom II X4 965 Black Edition

1. BIOS is set to IDE mode

Hard Drive:
1. Western Digital WD2000JB-00GVA0
(single or master pin setting)

ULTRA SATA to IDE 100/133 Adapter #ULT40322

Answer:Hard drive not detected by Windows or BIOS

Have you looked in Disk management?
You should be able to see and format it there.

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Hi All, I've been struggling with this problem all night and after reading countless articles and trying dozens of fixes I figured I'd ask.

I installed a fresh machine today with Windows 7, and got everything to work minus my Samsung SH-S223C 22X DVD Writer SATA Black OEM. The drive works, as I used it to install Windows 7 in the first place.

It is detected by BIOS, as well as showing up in My Computer. The problem is, it won't read any disc (ive tried about 10) including the very same windows 7 install disc it previously installed from hours prior.

So far I've tried removing the upper/lowerfilters from the registry (they werent there in my case), update to the latest firmware, ran the driver detective driver scan and update, removed the drive from device manager and restarted, and run the microsoft utilities all to no avail. In fact, I've run these all several times now.

I'm absolutely at my wits end with this, and I can't even get support from Samsung as the product is a Canadian model and they seem to only support US models. Any help would be greatly appreciated. Thanks in advance.

Answer:DVD Drive Will Not Read CD/DVDs in Windows 7 (Detected in Bios/Windows

Hi bcred

Welcome to Seven Forums
Let's try the basics - recheck the connectors, power-cable to your drive.
Is the drive listed in explorer after boot?
If you have another DVD/CD-drive lying around, you could try swapping with the Samsung - we need to do this to try and isolate whether the actual hardware is faulty. Alternatively you could try swapping SATA connectors just in case the current one for your drive has gone south.

Keep us posted and regards


Re-read your post - disregard the q about the drive being shown in Explorer

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I have a 3TB hard drive that suddenly disappeared from Windows Explorer AND Device Manager. I rebooted but it was still missing. The BIOS shows it and Debian is able to mount + read files on it.
After I accessed it on Debian, it reappeared on Windows. I ran Seatools but my computer froze when Seatools was scanning for drives.
It seems that accessing the faulty drive causes Windows 7 to crash. How is this possible? What can I do to fix this?

Answer:Hard drive detected in BIOS and Debian but not Windows.

Please stick to one thread and do not create duplicate threads on the same topic.It does not help.

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Hay!My friend's laptop had a windows file corrupt (Error message before Windows starts about HAL.DLL) so I booted up with Ubuntu to correct that but I could not see the hard drive and could not mount it. I tried booting normally again.. no drive detected, not even the error message!So I tried to plug the hard drive on my desktop computer but it could not be detected in the BIOS and in Windows. However, during the BIOS post message, when the BIOS is trying to detect SATA hard drives, it freezes for 30 seconds on SATA3 (where it's plugged) and then it says: "Not detected", as it says with SATA2 where there is nothing plugged.Is it dead?Thanks allMarco

Answer:SATA drive neither detected in Windows or BIOS or startup

It's dead.

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I went into the BIOS and next to "DVD:" it was blank.  Does this mean it is not recognized? Are there any solutions to this?  I did a search on Google and tried every possible Windows 10 solution.  Nothing.  

______________________________________________________________Machine Type: M90z AIO ; Product: 3091CTO (Custom), CPU: i5-650, Video Card: Intel(R) HD Graphics, Memory: 4.00 GB,Network Card: Intel(R) WiFi Link 1000 BGN, OS: Windows 7 Professional 64-bit

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Hi all,

This is my first build and I am so close yet it feels so far away. I'm at the final step of installing Windows 10 onto my PC I have a bootable USB drive connected and everything goes smoothly until I have to select a hard drive!

I have a Mushkin Enhanced Reactor 2.5" 1Tb with a Asus ROG Maximus VIII Hero LGA 1151 intel z170. As you can see from the photos below, the ssd is detected in the bios but not in the hard drive. I'm booting it with UEFI USB priority. It's a clean ssd do I have to reformat it?

I am not sure whether drive 0 Unallocated space is my ssd but it also says it has 0 free space. I am super confused please help!


Struggle - Album on Imgur

Answer:SSD not detected in Win10 install but is detected in bios

Welcome to the TenForums @Roketmann

If this is a brand new drive it needs to be initialized. Click the word "New" in the screen shot you provided. It will then want to create a partition.

You should then be able to install windows, it will tell you that it will create additional partitions.

Not sure what your strategy is for using 1TB. Are you going to have boot partition (windows will create some small ones it needs) and data drive(s) or one large C:drive

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I just received a new x220 tablet, and the fingerprint reader is not working. As far as I can tell, it has never worked. It does not show up in the bios, and it does not show up in the Windows device manager. It is as if the hardware is not there. Is this a hardware defect? Has anyone else experienced this type of issue?

Answer:x220 tablet fingerprint reader not detected in bios or Windows

It is hard to diagnose from across the country, but there are 3 parts involved - the fingerprint device itself, the cable and the USB hub circuitry on the motherboard. (fingerprint connects as a USB device) You might try to upgrade the BIOS to the latest.   If you have a warranty, use it. If you bought with no warranty, all you can do is check for an unplugged cable and start swapping parts, but don't open it up if there is a warranty. You could turn an expensive repair into being your problem.

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I have the Lenovo Ideapad Y410pI upgraded/installed to DDR3 16GB Memory,Samsung 850 EVO 500GB 2.5" SATA III SSD as the main drive,1TB HDD SATA II HDD via Ultrabay for storage9 cell 7800mAh batteryWith Windows 10 Pro x64 I installed the SSD as main and HDD in ultrabay,using SATA WIRE 3.0 to copy HDD drive to SSD. Everything worked great... SSD & HDD show up.See attached Screenshots.OK, so I take out the HDD ultrabay so I can run some benchmarks on the SSD, then when I put the Ultrabay with the 1TB HDD back in and it won't show up in Windows??? Took it out and put it back in 3 times now and no joy... it worked the first time I booted up both the SSD & Ultrabay drives... you can see that in my screenshots I posted.Any ideas what happened? Link to picture/image Link to picture/image Link to picture/image Adding to my post above, when I went into BIOS setup, the HDD shows up there. So why isn't it showing up in File exploer with the SSD? Link to picture/image Link to picture/image Link to picture/image

Lenovo Ideapad Y410p - Intel Core i7 4700MQ - DDR3 16GB Memory - Samsung 850 EVO 500GB 2.5" SATA III SSD +24G SSD - 1TB HDD SATA II HDD via Ultrabay - DVDRW via Ultrabay - Single/SLI Nvidia 750M + Intel 4600 HD - 9 cell 7800mAh battery - Windows 10 Pro x64


Go to Solution.

Answer:2nd HDD Ultrabay drive detected in BIOS but NOT in Windows/File Explorer

Wow! I got no help at all on my issues. None! I manage to solve it myself... thank you!

Lenovo Ideapad Y410p - Intel Core i7 4700MQ - DDR3 16GB Memory - Samsung 850 EVO 500GB 2.5" SATA III SSD +24G SSD - 1TB HDD SATA II HDD via Ultrabay - DVDRW via Ultrabay - Single/SLI Nvidia 750M + Intel 4600 HD - 9 cell 7800mAh battery - Windows 10 Pro x64

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A few weeks ago, I swapped my desktop SSD (Mushkin Chronos) with the laptop SSD. I did a clean install of Windows 8.1 on the new Mushkin SSD and then the free upgrade to Windows 10 without any problems. All the drivers installed seamlessly, and my computer was as good as new. All the restarting during the installation caused no problems. Satisified with my clean setup, I shut down the laptop. The next time I turned it on, I was prompted with this "No Boot Device Found" message. Thinking it was probably some glitch in the BIOS Settings, I went into the BIOS Setup and reset to factory settings. After selecting "Exit Saving Changes," the computer booted into Windows; problem solved. Or so I thought. The next time I shutdown and tried to boot again, the same thing happened, so I just entered the setup menu and exited. Windows then booted normally. With much experimenting here is what I've found:Pressing the power button to turn the computer on results in a "No Boot Device Found" MessageChanging the hard drive mode to AHCI causes a different "No Boot Device Found" Message to appearWith the hard drive settings on UEFI and non-AHCI, windows will boot only when exiting the BIOS Setup (regardless of saving/discarding settings)When trying to investigate with an Arch Linux live USB, the SSD is not detected by fdisk. However, after shutdown from the live USB, pressing the power button DID boot into Windows.So, at this point, I'm just super confused as to what the problem m... Read more

Answer:Y50-70 : Replaced SSD is not Detected by BIOS, but Boots into Windows upon Exiting Setup

Try setting to ahci and uefi mode. Then install the OS. Somewhere in the installation there is a question on where to place/install the OS, delete all the partitions then click "Next". Check after the installation.

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I am running a home-constructed PC (started out life as a Dell, but i had to replace the motherboard and - well, one thing led to another).

Asus A8N-E running NVidia nForce4 with AMD processor
Windows XP professional
Zone Alarm security suite

It's been working fine for a couple of years with the odd hiccup but i transferred to Zone Alarm from McAfee about four months ago, and upgraded to IE7 - security and fire walls seem to be a big part of the problems i've had in the past so i thought i'd mention it.

last week i had the "application error with winlogon.exe" error on log on and I couldn't boot at all. I did a repair install from the XP disk which *Mostly* worked, but now I have no mouse. I am having to tab through the browswer fields to even post this message which is incredibly frustrating!

Odd symptoms:
* IE has rolled back to version 6 (I guess that might be a function of the repair install)
* In the device manager there is NO "mouse and other pointing devices" entry, let alone any mouse recorded under it
* In the control panel, the mouse hardware properties are completely blank (no way of updating driver or getting more inform,ation - selecting the buttons does nothing)
* In Regedit the particular registry key that Microsoft says I should be looking for (at which is HKEY_LOCAL_MACHINE/System/CurrentControlSet/Services/Class/Mouse doesn't even exist in the registr... Read more

Answer:Mouse Not Detected, bios problem? Can't even get INTO bios on boot

Most likely a bad mouse, or a bent mouse pin, or you are using one of those wireless mouse units, or a cheap usb mouse.

Mouse detection problems are exceedingly rare except for the above... never heard of a mouse being affected by a virus.

Uninstall Zone Alarm if you are using Internet Explorer 7.0 because you will always have problems otherwise.

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Relevance 46.74%

I picked up a computer off craiglist was thoroughly enjoying my gtx geforce 680 ( ) when it "crashed" about 6 hours after purchase.When I rebooted I received the "no hard disk detected" message. Upon launching bios setup the hard drive is listed with details as being attached to its corresponding sata port. I am trying to determine if my hard drive is broken or if it needs remounting or some other sort of procedure.

The hard drive is a slightly dated WD Carver 1 TB SATA internal drive interacting with an asus motherboard. I did notice the boot order for drives had been rearranged putting an external and an optical disk drive in position 1 and 2 for boot directories. I disabled both the external and optical disc and selected the WD sata drive as the first preference for booting. Still I am getting the same error. I read somewhere that if the bios is recognized in setup but is still not recognized for booting that I may need to run a 32bit diagnostic. The forum I saw the diagnostic post mentioned on was in reference to a dell machine. I don't really know what this is or if it exists on my ASUS mother board.

In short: how can I tell If my hard drive needs replacement?

If Bios recognizing the drive is sign of life how can I get my computer to recognize this drive again?

are there any programs I could download on my laptop and put on my external that could be used to boot and run diagnostics on t... Read more

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Relevance 45.1%

Hi - running patch current Windows 8.1, and am having an ongoing but not always constant issue regarding how much memory I have available to me on any given boot of Windows.
I have 32 GB of memory installed on the computer, and yet almost 17.3 GB of that is not available to me, and is shown as Hardware Reserved when I look at the Physical Memory in the Resource Monitor.
I have validated the memory is error free through multiple runs of Memtest, have removed memory strips and blown out any possible dust from memory slots, and SOMETIMES, it properly will show me around 30.4 GB available, however most boots it is showing pretty
consistently that 17.3 GB is flaged as Hardware Reserved.

I did some searching, and have tried some of the suggestions, such as making sure the Maximum Memory box is not checked in MSCONFIG, and have also tried editing ClearPageFileAtShutdown in the Registry to change it from the default value of '0' to a
new value of '1'.  Nothing has worked thus far.
I DO need access to as much of that 32 GB of memory as possible, due to this computer using huge amounts of memory as a Digital Audio Workstation, recording music with huge volumes of samples loaded fully into memory.  Performance suffers greatly when
half of what is installed is not available.
I have also looked in the BIOS for any ways to adjust video memory and memory mapping and neither exists in the BIOS at all for me to try anything with.  The CPU happens to be an AMD ... Read more

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My new samsung 250gb ssd is not being detected in bios. I have a gigabyte ga 970a ud3 motherboard. tried two different sata ports but no luck. I read on the samsung site that I might need to upgrade my bios, but having trouble with that too. I am running a 64bit version of windows 7.

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Ok, here's a good one.

HP Pavilion ZE4600 laptop, Windows XP home, SP2.

Suddenly machine won't boot from HD, Bios fails to detect HD (version KAM1.52) claims Internal Hard Disk is "NONE"

However, and this is where it gets wierd, i popped in the XP cd and booted into recovery console: "C:" shows up and i can log into the console and run "chkdsk", etc. tried a "fixboot" and "fixmbr \device\harddrive0". Still no dice. Bios claims no HD detected. Recovery console again, tried copy ntldr and, reboot, same deal.

Boot with XP CD again, go to install, previous install shows up with option to repair. I chose repair... Windows coppied files, etc, reboot in 15 seconds yada yada yada, bios claims no HD Detected.

the damn thing keeps trying to boot from LAN!

I'd think the HD was dead as the BIOS fails to detect it, but the fact that it shows up and mounts when the system is booted from the XP CD has got me weirded-out.


Answer:HD not detected in BIOS...BUT...

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Hi all, im completely stumped.
I just picked up a really nice custom built system, with a 1tb hd. Now, my plan was to use my 160GB hd as my main hd as it had my copy of windows 7 on in, and to use the 1tb as a storage hd. My problem is that when i remove the 1tb and put the 160gb in it comes up with "Hard drive not detected", then trys to start windows and gets 2 seconds into the loading screen and reboots. I've been in the bios and set the 160 to be the 1st priority boot device, and basically set everything else to not even be considered.

I really have no idea what to do short of just using the 1tb as my hd, but like i said, i dont want to as it is a waste of an activation code.

Any thoughts would be greatly appreciated!

Answer:HD not detected, but can see it in BIOS!

Win 7 not booting

You had a 160GB HD with Windows 7 in a different PC. Then bought another PC with 1TB HD ? Now you want to use your 160GB as your OS and C: drive?
Have you checked the 'jumper' on the back of each HD? If you plan to have 160GB as 'C' and the 1 TB as 'D', make sure the 'jumper' on 160GB is on 'Master' pins, and the jumper on the 1TB can be either on 'slave' pins or taken off altogether.
I assume you have them both on same ribbon? Then the BIOS will look for the OS (Win7) on the primary drive with the 'Master' jumper on. The other problem is that as your Win7 software was installed on a different PC, the validation will fail. If you have the Windows 7 DVD then you can install it again, type in your product key, and activate it again with MSoft. That should work.

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hey ther,well my samsung 40gb is not being detected by bios.i tried the jumper configs. infact removed all the peripherals but for my HDD but still the bios is unable to detect it... the hdd tools in ultimate boot cd are of no use as they can do nothin until the hdd is detected.i hav ensured tht the ide cables are ok by testing another hdd.further, wen i connect the hdd to the mobo, bios takes time to come to the post screen, whereas if the hdd is not connected to the mobo, bios quickly goes from the "press del to enter setup" page to the post screen...i can feel the disk becomin slightly heated if kept for a while connected to the pc (although not being detected).. i guess that means that it is atleast spinnin!!plz help as i think i have tried almost everythin...still if there is somethin which i may hav missed out that i can try before givin it to the vendor. plz lemme know!!!! regards,shirish.  :-? :-?

Answer:HDD not detected in BIOS

If you have a floppy drive you can try a win98 boot disk to see if itshows

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Recently, I replaced my Seagate 500 MB 32 MB cache HDD due to an apparently failure. The disk wasn't being read in BIOS and would not boot. Instead I got: Disk Boot Failure please insert System Disk and press enter. I replaced the bad drive with a WD 500 MB 32 MB cache HDD and it worked fine for about 2 months. Now I am having the same issue come up and I can't seem to find a good solution. I replaced the SATA cable and that didn't work, and tried it in a friends machine and still the same issue. The BIOS can't find the HDD and there is no option of booting. So I guess my question is did this 2 month old HDD just happen to fail in the same way? Or is there something that is wrong with my machine that is causing these drives to fail?

My specs are as follows:

Asus P5N-D Mobo
Pentium Q6600 2.4GHz
512 MB EVGA GeForce 8800GT
700W Power Supply

Answer:HDD not detected in BIOS

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I just built a computer for a sibling who is without one. There's no operating system in it yet. I need to install that from the cd/dvd combo drive. A new computer doesn't get much more fresh than this. But wait! I can't because the BIOS cannot detect the IDE connections in the CMOS! Even in the Boot Order, the cd/dvd is not listed.

Okay, inventory: There's an MSI K9N6GM AMD motherboard, lower end, about $50. A Thermaltake 450-watt power supply. An IDE Sony cd/dvd combo drive. There's a SATA Western Digital hard drive. Not a high-end computer. It's not supposed to be, but it's better than an e-Machine. Once I have this resolved, I'll put Ubuntu on it.

Now for testing...I tried switching IDE cables (I always be sure that they're on correctly, along with power connectors), and that didn't work. I tried a different cd/dvd combo drive. That didn't work, either. Now I'm thinking that just leaves the IDE connector on the motherboard...maybe it's faulty.

But before I jump to conclusions, I thought I'd check over here to see if there's anything I might have missed.

Answer:BIOS: IDE not detected

Unplug the IDE1 completely

Just put IDE0 to the HDD

Confirm HDD set to CS (if not -> M try that too)

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Hi all, I bought the laptop for more than one year and it went well until I sent it for repair as my laptop stuck in loading Windows. Then the report said it was due to the problem of mother board. After that, I updated to Windows 10 and my laptop always ran into the problem of reaching 100% disk usage and same problem after installing back to Win 8. I neglected this problem as it always went down after a few seconds. The tragedy happend when I was trying to copy photos from my Iphone to my laptop. My laptop stuck while the data was transfering and after several mins, the situation didn't change so I cold booted it. Then I got the message "EFI network 0 for ipv4 (...) boot failed". From a solution of a post, I found my SSD was not detected in BIOS. I also bought a enclosure and the SSD didn't show up in my desktop. Thus I guess the problem is from the SSD. Could it be possible that it get damaged when shipping to my address? I never had the 100% disk usage issue before I sent for repair. Desperate right now since the data there is very important to me.

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Hi All,

I'm new here and have dug around a bit but can't find anything that helps with my problem.

First the HW details:

PC is 5-6 years old
It was built by a local, well known computer shop that's been around for years
MOBO is an Asus K8VSE Deluxe
BIOS is AMI version 08.00.09, Build date 09/08/05, ID A0058002

Next a little back story:

The PC was running WinXP Pro until one day it wouldn't boot, saying that a critical file was missing. I played around with it and *thought* the HDD had failed. So I parked the PC for a while and just used my laptop, until this week, when I decided to get this pig working again.

While troubleshooting the issue (months ago) I noticed that my one and only SATA HD was not plugged into the standard SATA port on the Mobo, but on the SATA port on the on-board RAID controller. Why this was done is beyond me, but it was done when this machine was built.

Now the current situation:

I decided to go with a new WD Caviar Black, 1.0TB drive, and Windows 7 Pro. Plugged everything in, set the BIOS to boot to the Windows CD, and fired it up.

First thing is that the BIOS does not see a HDD, hit F1 to continue. So I did.

Windows 7 started loading files, and I thought I was in good shape. But alas, 7 could also not see the HDD but asked if I wanted to load drivers.

Now I am confused; drivers should not help if the BIOS can't even see the HDD, right?

So I futzed around with the BIOS, and can't see a whole lot of anything mentioning SATA. I tho... Read more

Answer:Need Help - HDD Not Detected in BIOS

Can you pre-format the HD on another computer. Do you still have a MB driver disk ?

Might need to load SATA drivers on that old of MB.

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Hello! I just built a computer with these parts:

ASUS Crosshair IV Formula AM3 AMD 890FX SATA 6Gb/sAMD
Phenom II X6 1090T Black Edition Thuban 3.2GHz Socket AM3 125W
G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333
Rosewill BRONZE Series RBR1000-M 1000W
SAPPHIRE Radeon HD 6950 2GB 256-bit GDDR5 PCI Express 2.1 x16
Western Digital Caviar Black 1TB 7200 RPM SATA 6.0Gb/s
Crucial RealSSD C300 64GB SATA III MLC Internal Solid State Drive
LG Black 10X Blu-ray Burner - Bulk SATA

I got the SSD to put Windows 7 on, but for some reason it does not show up in BIOS. In the SATA device list, it shows "NOT DETECTED" for SATA 1, which is where the SSD is located. It detects my WD 1TB drive, so I went ahead and installed Windows onto it in the hopes that if I updated my BIOS drivers it would fix it, but it still isn't showing up after I updated it.

The drive is hooked up with a 6GB/S SATA cable.

Any idea what the problem could be?

Answer:SSD Not Detected In BIOS

could be a bad cable, id try another one then go from there.

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Hello all, I just bought mini desktop and ADATA m.2 128GB from Amazon to replace boot disk.However the BIOS said it found some issue from some storage device(might be newly installed m.2 SSD) and SSD is not showing up. After ignoring the warning, PC successfully boot the MS Windows 10 as usual.  MS windows also does not show new storage(of course as BIOS failed to detect it) I am not sure the m.2 SSD is faulty. However as there any way to check what is wrong with it? This is the m.2 SSD I bought ADATA Premier SP600 128GB M.2 2242 Ultrabook Compatible and Excellent Read up to 550MB/s Solid State Drive (ASP600NS34-128GM-C) Thanks in advance

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My desktop had windows xp installed in it. Yesterday I tried to installed XP- sp2 in it. I inserted the bootable cd and repartitioned the whole hard drive. Then selected C drive for installing the windows XP- SP2. then the option came formatting the drive with NTFS format. I selected it and C drive was formatted. But after formatting, the system shows an error. The message was" The drive cannot be formatted due to an error, please use another partition for installing windows. Then I selected D drive and the same message was displayed again. Then it showed that there is an error in installtion and press F3 to quit setup.

Then I restarted the windows and tried to changes booting device priority. Now in BIOS, only floppy drive is being displayed. No HDD and CD-ROM is displayed in booting devices. But initially before installing XP- SP2 cd, I entered BIOS and changed the priority to CD drive. At that time, both HDD and CDROM was displayed in booting devices priority.

I dont know what to do now. Every time I open windows now it shows that "Reboot and select proper boot device or insert boot media in selected boot device".

And when I am entering BIOS and trying to change the boot devices priority, neither HDD nor CD-ROM is being displayed there. Hows that possible that both HDD and CD- ROM is not detected in BIOS?

Please help guys. Ur advice might be very helpful for me. Thanks in advance.


Answer:CD-ROM and HDD not detected in BIOS

Hi Vishal, One simple thing you could try, is to remove the BIOS battery, leave it out of the pc for 5 minutes.
Fit it back in the pc, and try again.
Also if that battery is more than 5 years old it may be at a low voltage, so if you have a voltmeter you should get 2.5 to 3V dc, across the battery.

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Relevance 43.05%

Machine has been running Win 10 64 for about a month. No problems (except those relating to things Win 10 does that I don't like). Keyboard uses a USB 2 adapter since the MB no longer has a keyboard port. I use USB 2 because I don't think USB 3 is active early enough on this MB. I did try it; no joy. I have had no problem entering the BIOS until today. I have turned off secure boot and fast boot several weeks ago. Still worked fine. MB is an Asus P8Z77-V Deluxe. I checked connections and moved the mouse to another USB 2 port. No change. I have never had a problem with this keyboard, and it works fine once it gets into the OS. Previously it also worked fine with the BIOS.

When booting the BIOS says there is no keyboard detected; hence it can't see the Del key to go into the BIOS. It is a strange boot. It starts and sits for quite a long time and says no keyboard. It then appears to start the boot again, but now goes to the OS. The OS seems to start more that once briefly and then go to a normal boot.

Answer:PC will not go to BIOS - says no keyboard detected

I don't think this is a Windows issue. It's before Windows even loads.
Since you've checked other USB ports, I'd hazard a guess it's time for a new keyboard. Good luck.

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I have tried several different Sata drives as a 2nd internal drive but none of them are detected in Disk Management or Device Manager. I have also tried relocating my working Sata from my C drive to one of the other Sata slots but that is also not detected. As an XP system the Sata mode in the bios is set to IDE.

Tech Support Guy System Info Utility version
OS Version: Microsoft Windows XP Professional, Service Pack 3, 32 bit
Processor: AMD Athlon(tm) II X4 630 Processor, x86 Family 16 Model 5 Stepping 2
Processor Count: 4
RAM: 2047 Mb
Graphics Card: NVIDIA GeForce 6600 GT, 128 Mb
Hard Drives: C: Total - 476937 MB, Free - 402520 MB;
Motherboard: ASRock, K10N78
Antivirus: avast! Antivirus, Updated: Yes, On-Demand Scanner: Enabled

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Hope somebody can help me out on this one, I disconnected my hard drive to install a chipset fan that had failed on my ASUS A8N-SLI motherboard and when I tried to plug in the harddrive the computer could not detect a hard drive on start up. I also checked the BIOS settings and noticed that with the drive plugged into SATA port 1 that it was also not detected in BIOS. I tried another SATA cable and another power cable to no avail since the HD, a Seagate Barracuda 7200 300 Gb, was still covererd under warranty, I sent it in and received a repaired HD. When I plugged it in I got the same problem, no disk detected on start up and BIOS. I had an old 80 Gb IDE drive that I plugged in while I was waiting for the SATA drive and it was working fine, but I want to get the SATA drive back up and running. Any ideas???? Thanks

Answer:SATA HD not detected in BIOS

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I've got a SATA HDD which is not detected by the BIOS. It has important data. Is it over or there is software or something that can bring it to life?

Answer:SATA HDD not detected by the BIOS

So basically you cant boot the computer to normal mode right?? this maybe a bad sectors .. how about transferring that HDD to a diff computer ., that may be help , if not contact this phone number 8005513917 Data Recovery By CBL - Hard Drive and RAID Recovery

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Hi to all !!
I've been given a Satellite Pro A60 (PSA65E) , for free ....'cause it has a bug!!! But I would like to fix it and use it.
Problem is that HDD is not recognized by the BIOS. Strange enough, it is possible to format it during initial phase of an OS installation from scratch ( I've tried with Win XP and Win 2000 ), but installations do not proceed further since it will not boot from HD. If I try to install a seccond time, it does find some data already present in the HD and gives warnongs ... meaning that it is also possible to write on the disk.
BIOS screen says : no drive.
CD drive is OK, shown as secondary.
I did also search through the Fora at no avail.
Actions done so far :
* flashed the BIOS , now at 1.90 release
* Replaced the original HD (Toshiba, 40 GB ) with another one known to be good , smaller ( Toshiba as well , 30 GB)
* Tried to pull out CD drive and verified BIOS does recognize it has been removed, and recognized it again when put back in. The same manouvre done with the HD does not change anything in the BIOS screen: it always says 'no drive'.
* Tried with DOS version of Partition Magic : it says 'no drive found'. Same with the backup disks that came with the PC.
* Tried other stuff found in Fora : remove all power sorce, let the PC for several minutes.... opened up and checked for visible problems in the HDD area and so on.
Any suggestion would be be appreciated !!!


Answer:Satellite Pro A60 - HDD not detected by BIOS

Have you used default options for BIOS settings?

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My Compaq nx9600 is running fine but my USB speed is slow. i have 5 USB ports and when i look in the device manager only one is listed as enhanced. my understanding is that if i enter bios i may need to enable the USB to 2.0, but when i enter bios under advance tab there is not a USB parameter to change. can you help?

Answer:Usb settings not detected in bios

Hi Iz,

I have 8 USB ports on two identical machines. There are 4 lines of ports and one line that says enhanced in Device Manager. Mine are running USB2. I have several other comps - same thing. Check again. You may not have a problem. Mine are not in BIOS SETUP. It's a program you have to load but, looks like you already have it.

Good Luck, Jim

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That's pretty stupid what i've done but here it goes.

i just wanted to have some extra space to use for Windows and I had an entire HD 80GB Maxtor for testing Linux. But i did'nt use it that much and 80GB is a bit too much for a system i barely use. So i decided to have it back for windows. I fdisk /mbr the thing, LILO was gone, hard drive was detected and ready to be reformated. The first thing i did was just to quick format the hd. Then I splitted it in 3 logical drives, the last one was feromated fully as it should. Then i decided to reformat the first partition (50GB) and it cemmenced pretty well. It went smoothly up to 100% percent and then i got an error message "The reformating wasn't succesfull". Ok, no probs I'd try to reformat it once again but the whole disk this time. But the system started hanging a bit and then when i could get back to computer management panel my hd was gone. No sign of it whatsoever. Nothing. I rebooted, checked my BIOS, BIOS recognised the drive. Bun not my WinXP. I can' find it listed in Disk Management it's just gone. Nowhere else except for device manager where it is still listed and "works properly".

The error i got in event viewer was like "a bad sector found".
The hard drive is nearly new (4months) and was barely used.

How can I get it back? I need just reformat it properly but as i said it is not recognized by Windows.

Thanks for any replies

Answer:My Hd is gone after reformating though it is detected by BIOS

Probbly a bad MBR most harddrive disk utilities have a tool on them to make a MBR ..

If this does not solve the problem Zero out the drive itself (Write all Zeros to it) not same as a formatt.. this will solve your porblem since you do not have any data on it this would be your best route

check you harddrive maker website for a utility MAxtors is called maxiblast..

hope this helps you

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Hi guys,
My corsair ssd and Samsung hard drive appear in the safely remove hardware and media icon in windows. I was told I could try disabling the hot plug option on my bios. When I looked the sata ports 1 and 2 say nothing present but both drives work and appear in the boot priority part of the bios. My other hard drive and disk are present just not port 1 and 2.

My corsair ssd always appeared in the safely remove hardware icon but not the Samsung drive. I have just put new sata cables in the pc and had to put the corsair cable in the port the the Samsung was in and the Samsung cable where the corsair had been because it was the only way I could it. But now both drives appear in the safely remove hardware icon and both drive say not present in port 1-2 but both still work fine?

Sorry if this is long winded I'm trying to find away to explain lol.

Any help please ?

Answer:No drives detected in bios

Your board hosts two sata controllers one controled by the chipset and one controlled by asmedia its possible you have plugged them into asmedia sata ports in bios you should have two areas where the drives will show have you checked the asmedia controller entries to see if your drives are there

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I could need some advice here. I have a Toshiba Satellite from a collegue here, type L40-14N. She wanted to run the Toshiba Recovery CD procedure to have the original configuration back... system was going way too slow and all that, no other problems. Anyway, she's not very experienced and one way or another the recovery failed.

Problem is, the system doesn't detect a HDD now anymore for some reason. Not in the BIOS, not during the Toshiba Recovery CD procedure if I start it up now. I also tried a retail Vista setup, and loaded SATA raid drivers as mentioned on this forum. No success, no HDD detected.

It's bizarre, as nothing essentially happened. Any suggestions how I could solve this problem and get the HDD back online?

Answer:Satellite L40 - No HDD detected in BIOS

If the HDD is not detected, the recovery installation will not work and also a Microsoft installation disk.
The HDD must be detected in BIOS otherwise an installation is not possible.

However, it seems that the HDD is faulty because the BIOS can?t detect it.
If your notebook is in warranty got to a local ASP or you change the HDD by yourself.

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This one has me baffled. My DVD/CD drive is no longer detected in the Bios of my Asus A8V Motherboard. I have it attached as the Primary Slave and the Bios says that it's not detected. It used to be, how else would I have installed XP. The drive works fine for burning Cd's and DVD's and shows up as working normally in Device Manager. Any thoughts?

Answer:DVD/CD drive not detected in Bios

Check the drive select on the drive and also the hard drive and make sure the hard drive is master and the dvd drive is slave and it should be ok after that.

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When I boot up about half the time I notice that bios doesn't detect a primary slave or secondary master, only the primary master shows up. When I get into Windows my DVDRW and CDRW both magically appear after not being detected. It's not like this is really affecting my computer or anything, it's just that I noticed it, and usually in past experiences if it wasn't detected in bios it wouldn't be there in Windows. Am I just going crazy?

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new sys build and have been unable to get the raptor to auto detect in bios
sys info
mb msi p6n sli platinum nforce 650i
wd raptor x 150gb
core2 quad
2gig ddr2
nvidia 8800gt
the dirve is connected and seems to power on (spins and clicks)
thanks for any help

Answer:wd raptor not detected in bios

are the clicks audible? The most you should hear a hard drive is a small buzz. Clicks usually indicate the spindle or control arm are busted. Try clearing the BIOS or try the drive in another machine just to make sure, but if you're hearing clicks... its a good thing hard drives are so cheap now ;-)

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I've been trying to install a second sata harddrive today, but was having trouble getting windows to recognise it. So I went and changed some of the raid options in the BIOS (although I'm not actually trying to do raid with it).

Problem is, I think I must have changed something I shouldn't have....because now my original harddrive with windows etc on it isn't detected as the computer boots, and so I can't load windows.

I *think* I've put everything in the BIOS back like it was before I started messing. I've also unplugged and removed the new drive. But still the original one isn't being found.

Any ideas? Anyone know some likely setting I've altered wrongly?


Answer:Changed sth in BIOS, now hdd not detected

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Dear expertsI have problem about my SSD. i have bought SSD Samsung 750 EVO 120GB for my acer aspire E1-471. I want my SSD be storage device for my Windows 7 and the HDD be the storage. But when i installed and clone my windows from HDD to SSD, i can't detect my SSD in BIOS Priority Booting. It makes me can not booting windows from my SSD.  For booting windows from HDD i don't have trouble, and the SSD detected in explorer as storage device E. But all want is booting my windows from my SSD and the HDD became secondary storage. I can booting from my SSD just in one condition, just when my SSD did not installed. In that condition i can boot my SSD savely without matter. Please help me resolve the problem.  Regards 


Go to Solution.

Answer:SSD not detected in bios when HDD installed

Hard to understand your English but I think I follow. You cloned the main drive too the ssd. System boots okay from the ssd only when main hard drive not installed. Bios not showing option to select boot order. Solution: clear/delete boot partition from old hard drive. How? Several ways, easiest is boot into windows 7 setup from say DVD or flash drive and use custom setup option then select old drive and format- will loose data so backup first. Once the info delete off old drive power down, remove Win7 setup stuff, boot up and only the ssd will be bootable.

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Hey guys, always a pleasure!

I've finally got all my bits and peices and i've put my pc together:
P4 3.0 GHz
p4p 800 deluxe
1gb corsair DDR RAM
ax800 pro
Antec NeoPower 480W ATX2.0 PSU
Sata HDD 160 gb
Basic HDD 40 gb

Basically, when i start the pc up, it all comes on fine, all the fans and the lights all come on, but then a message comes up:
"No drive detected to Fastrack controller. BIOS not detected."

And then, it shuts down without giving me a chance to think!
I've tried pressing del and f2, but it shuts down as i do as such.

I'm checking various forums and such, but all i can find is to "change the primary ide cable to the raid slot" or words to that effect.

I've tried disconnecting the IDE's and swapping them to the RAID slots, but alas no luck!

If anyone else has experience in this matter or knows how to help, your time and efforts would be greatfully appriciated.

Need more info? Tell me what you need!

Thanks guys - Lee

Answer:BIOS not detected, then shutdown

Are you able to get into the Bios at all ?

Seems you need to alter some Bios settings .

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Someone gave me a computer (6x86 150+) which I took apart and rebuilt. I transfer the system into a new case and installed windows off the CDROM. I then had to put the system back into the original case and now the bios will not detect the cdrom. I've cleared the CMOS, tried it on each channel, checked jumpers. Can't seem to get it to pick up. When it posts it detects the hdd, stays on primary slave for a while, the stays on secondary master for a while, then continues booting. It skips over secondary slave detection. Anyone have any suggestions? I'm going to go look for a bios update.

Answer:CDROM not detected in BIOS

Nevermind, it works. I was going on the information displayed by the bios. The cdrom is not picked up by the bios, but windows picks it up. This is a bios issue correct? It works now so I'm off to bed.


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Hi,I installed a SSD Crucial MX300 275GB on an OptiPlex 9030 AIO but the bios (latest version) did not detect it.
A Dell technician tells me that i can mount maximum a 256GB SSD but Crucial does not match this information.
The SSD was inizialized befor installing on AIO.
Regards,Roberto DM

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I just bought a WD 250GB 3.0gb/s SATA drive and can't get the bios to detect it. I am using it as a secondary drive and have windows installed on a 80GB ATA-133 drive. I put the limiting jumpers in the right place ( pins 5 and 6, to get it to run at 1.5gb/s) and the drive is getting power... it gets warm to the touch when powered on. But the BIOS does not detect the drive at all.

Any suggestions?

Answer:Sata HD not detected in Bios...

some SATA controllers need to be enabled first in BIOS for it to read the harddrive, if the corrsponding SATA controller is enabled and still BIOS cant read it, double check all your connections and if still no good..then return the drive

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Well, i decided to start fresh and installed a new harddrive because i believed the old one to be faulty or corrupt etc.

That worked out fine and is detected in my bios and everything, however i can't install an os because my optical drive is not being detected.
I tried unplugging and plugging the cords back in.
I'm sort of limited with the proper terms for the computer but i believe its plugged in with an IDE cable (Might be obvious but eh) and another smaller cable (I don't know)
Is there anything i'm missing, do i have to somehow setup the drive?
Thanks for any help!

Answer:CD/DVD Drive not detected in bios

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I have old computer Compaq Deskpro PII 450 Mhz with integrated sound card Ess Audiodrive (not working), and CDrom (working). After I plug in PnP Sound Card ess1868 i finally got sound but I lost CDrom. Bios cannot detect my cdrom anymore. When I plug out my PNP sound card cdrom is detected just fine.

What can I do to solve my problem?

Thanks in advanced.

Answer:CDrom not detected in BIOS

it sounds like a hardware conflict to me. try checking in device manager install both of them and hit scan for hardware changes, you may have to change the IRQ, memory, or I/O settings manually, but PnP should picl it up on it's own.

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I have old computer Compaq Deskpro PII 450 Mhz with integrated sound card Ess Audiodrive (not working), and CDrom (working). After I plug in PnP Sound Card ess1868 i finally got sound but I lost CDrom. Bios cannot detect my cdrom anymore. When I plug out my PNP sound card cdrom is detected just fine.

What can I do to solve my problem?

Thanks in advanced.

Answer:CDrom not detected in BIOS

What operating system are you running on that computer? Sounds like an IRQ conflict.

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I rearranged my computer, changed hardware positions and fans.... now when i start my computer, i can't even get into BIOS!!!  There seem to be no IDE devices (god knows THERE ARE LOTS OF!!!)  I changed ATA cables, already and I resettet BIOS (by changing Jumpers).... it didn't have any effect.I need my PC to finish a PLEASE help me as quickly as you can!!!

Answer:Need Help...BIOS down/no IDE drives detected

Reseat all hardware and make certain there are no loose connections.

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I'm helping out with a pc on which the cd/dvd drive isnt being detected in the BIOS.
The o/s was recently re-installed after virus infection and several apps were also loaded via the cd drive, so we know it was working originally.

I fitted a new usb front panel card to the pc, which only involved removing an old one and fitting the new one which has additional usb connectors.
The only addition was an HD Audio connector, for which I still need to download a controller driver, and I did go into the BIOS to enable HD Audio as per instructions that came with the panel.

I'm not sure if the cd drive was working immediately prior to my fitting the new front panel, it may have been corruped by one of the applications that was loaded, so this new installation may have nothing to do with the problem....

Already installed is a SATA hard-drive, and there is only one IDE mobo connector.
I've swapped out the CD drive for a working model, and that doesnt work either (just in case the drive had died...)

I have checked out other posts on the same subject, but didnt want to mess about with the BIOS without some guidance.

thanks for any assistance.


Answer:CD/DVD drive not detected in BIOS

Greetings, faylynne.

I'm assuming this is an IDE optical drive? You might try forcing the BIOS to detect the drive - don't know what BIOS you're using, but there are usually options for manually detecting instead of auto. If not, what's the make and model # of the motherboard? With that info, we might be able to find the BIOS information.

There's also the possibility that this could be a power and/or connection issue - you might try switching power connectors, and swapping IDE cables (if one's available).

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Hi everyone, Needs some help here... I have bought a Y700 few days ago that come with a 256GB M.2 SSD in it and I just bought another SATA III 480GB SSD as a secondary drive (already got the cable and bracket),  I have installed in but the BIOS/Window didnt detect it. Any idea why is this? Is there any setting in BIOS I have missed? I have already updated the BIOS to the latest version. Thanks in advance.

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I just bought a new SSD disk (Intel X25-E) and inserted into my SL 300 laptop. However, it is not detected during boot, BIOS or any post-installation of operating systems. When I switch back to the standard disk that followed the laptop, this disk gets detected immediately.  - I have the newest BIOS firmware 1.24, released 18 of June.- I have tried changing the mode from AHCI to compatible mode- There is no new firmware update on the SSD disk.- Supposedly, the Intel X25-M is having problems as well. What is causing my SSD to not get detetected? What can I do ? Message Edited by Rapide on 07-14-2009 04:05 AM

Answer:SSD is not detected in BIOS (Intel X25-E)

Rapide, just a reminder that this is a user-to-user community, moderated by volunteers, none of whom are Lenovo representatives. This is not a monitored Lenovo support channel, although a few Lenovo employees do fly by from time to time. Asking for help from a Lenovo representative actually lowers the likelihood of a response.  That said, SSD's are a fairly popular topic, and members are likely to chime in anyway...

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Hi everybody    It appears Schalli and I have same problem: a second hard drive (inserted in an aftermarket caddy) is not detected by BIOS. So you can not boot from 2nd hard drive.    But, if you start the OS (Windows or Linux or even DOS!), the second HDD is seen and works perfectly (no connection issues, full speed etc).    I tried several HDD, also SSD. Also tried removing internal HDD, leaving only HDD in the caddy. BIOS is 1.20. Can other users please verify? Lenovo: why is this? Why doesn't BIOS detect the second hard drive?  Thanks!!!

Answer:L520 second HDD not detected by BIOS, why?

Same with my machine. So I put my SSD into the original drive bay and moved my HD to my caddy.

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I am trying to do a clean XP Pro install and cannot. I get a message that to prevent damage to my system, install has shut down. I tried to do a Norton Ghost backup and it does not recognize any hard drives to back up to. I looked in the bios and there is no information for my hdds. It is on auto detect and nothing gets filled out - like cylinders and stuff.

Please can someone help!



Answer:Drives not detected in bios

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This is extremely weird. I've used this keyboard plenty of times, I see my external hard drive light up, so I tried that usb port, but still nothing. The computer will boot past the bio and go to the login screen, but neither my keyboard or mouse will work. It stopped working while browsing youtube and I restarted my pc. I tried it on my laptop and both my mouse and keyboard work. I'm not sure what's going on because it's not detecting it even in the bios?

Answer:No Keyboard Detected *BIOS*

Let us see if we can help you: how old is the computer?

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Basically, none of the drives (HDD or CD) are being detected on a computer I'm working on. In the BIOS it just has "not detected" next to all the drives (ie, Primary IDE Master, Primary IDE Slave, etc), and all the settings for the drives are set to "auto". The only thing listed in the boot sequence is "1st Floppy Drive", although there's no floppy drive installed. I also sometimes get a "CMOS battery low. CMOS date and time not set. Press F1 to enter setup" message when the computer boots.I've tried resetting the BIOS (by both replacing the battery and with the jumper pins) using a different HDD, using different IDE cables, and using a different PSU, but none of it has worked.Here's the specs:Motherboard: ECS GS7610 Ultra (SIS 761GX+956L chipset)BIOS: AmiBIOS v02.59CPU: AMD Athlon 64 3000Memory: 2x 512MB PC3200 DDR RAM (M2G9J16A-TT from TwinMOS)HDD: Maxtor 6L200P0PSU: COLORS-it EN60950Now, since I'm just the guy trying to fix it and not the owner, I don't know the full history of the machine, but this is what I do know:Machine gets brought in, rapidly switching on/off when you try to turn it on. One of my colleagues decides to try replacing the mobo and CPU. Problem persists, and I try putting in a new PSU. The problem clears up, but now we're left with the current issue.PS: The next time I have access to the machine after today is going to be on the 27th, so I won't be able reply on what help di... Read more

Answer:Drives not being detected by BIOS

Possibilities:MBoard short...check to see all standoffs are in position.Bad PSU ( even though you've already swapped it out )IDE channels blown...Make sure to test the Drives/cables in a known working machine.

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i have WD sata hdd as master that have window 7 on it and i connected on the IDE hdd to be the slave .when i turned windows and i go to my pc i do not see the hdd that connected to the IDE slot on the motherboard (P4i65gv) but it is showing on the BIOS when i restarted the computer and did the F2 .what can i do in order to see it,please advice

Answer:ide hdd 2nd drive detected in BIOS but NOT in

Did you set the jumper to slave?How do you know when a politician is lying? His mouth is moving.

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hi allI bought it 3days ago and Originally this laptop comes with 1TB+8ssd sshd. I told to my provided to install Kingston SM2280S3/120G M.2 SATA SSD .now i have two drive.but i have problem. often on bios the ssd and hdd not detected and some time  ssd and hdd are detected.i tried change legacy to uefi but on can I fix this problem ?Thanks

Answer:vn7-571g hdd not detected in bios

SSD on your system was intended only as cache drive, not system drive, so BIOS has this kind of issues. 

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Machine has been running Win 10 64 for about a month. No problems (except those relating to things Win 10 does that I don't like). Keyboard uses a USB 2 adapter since the MB no longer has a keyboard port. I use USB 2 because I don't think USB 3 is active early enough on this MB. I did try it; no joy. I have had no problem entering the BIOS until today. I have turned off secure boot and fast boot several weeks ago. Still worked fine. MB is an Asus P8Z77-V Deluxe. I checked connections and moved the mouse to another USB 2 port. No change. I have never had a problem with this keyboard, and it works fine once it gets into the OS. Previously it also worked fine with the BIOS.

When booting the BIOS says there is no keyboard detected; hence it can't see the Del key to go into the BIOS. It is a strange boot. It starts and sits for quite a long time and says no keyboard. It then appears to start the boot again, but now goes to the OS. The OS seems to start more that once briefly and then go to a normal boot.

Answer:PC will not go to BIOS - says no keyboard detected

I don't think this is a Windows issue. It's before Windows even loads.
Since you've checked other USB ports, I'd hazard a guess it's time for a new keyboard. Good luck.

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built new computer asus t2 installed xp, next day failed to boot checked bios and hard drive and dvd drive not detected when checked set to auto any ideas

Answer:bios drives not detected

are your ide cables connected the right way round, normal is the stripped line on cable to the inside of harddrive or cd/dvd there are some floppy drives wherem this is reversed, have you set the jumpers to master and slave, if both are master one or none at may be seen.

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Hi everybody, i'm from Holland, so cut me some slack on my English!

Today i desided to turn my old pc into a Nas, with freenas software.
I thought i'd buy 2 2tb samsung hd204ui drives to get myself started, but however. I never got passed the first step. The bios does not recognize my disks. Only my cdrom drive as primary slave... I get the following message:

VIA Technologies, Inc VIA VT8237 Serial ATA RAID BIOS Setting Utility V2.01
Hardware Initiate failed, Please Check Device!!! The Bios does not be ... bla bla.

Scan Devices, Please wait....
Press <Tab> key into user window!

[it sort of hangs for a moment, when i get the message written below:]

Hardware initiate failed, Please check device!!!
The BIOS does not be installed. Press <g> to continue!

[when i press g i immediately press dell to get in the bios, to find out it can't recognize the disks.]

Are the disks to new to work with the motherboard. this computer is about 5 to six years old, the motherboard has two sata plugs on it. and a 64 amd chip.

Must i use a jumper? On the disks?

Ive spent the entire night searching for the answer, but cant seem to find it.
I realy hope i gave you guys enough information to help me out. If not, please reply.

Thanks in advance.
Awaiting your feedback!

kind regards

Answer:Hard drive is not detected by BIOS


basman said:

Hi everybody, i'm from Holland, so cut me some slack on my English!

Today i desided to turn my old pc into a Nas, with freenas software.
I thought i'd buy 2 2tb samsung hd204ui drives to get myself started, but however. I never got passed the first step. The bios does not recognize my disks. Only my cdrom drive as primary slave... I get the following message:

VIA Technologies, Inc VIA VT8237 Serial ATA RAID BIOS Setting Utility V2.01
Hardware Initiate failed, Please Check Device!!! The Bios does not be ... bla bla.

Scan Devices, Please wait....
Press <Tab> key into user window!

[it sort of hangs for a moment, when i get the message written below:]

Hardware initiate failed, Please check device!!!
The BIOS does not be installed. Press <g> to continue!

[when i press g i immediately press dell to get in the bios, to find out it can't recognize the disks.]

Are the disks to new to work with the motherboard. this computer is about 5 to six years old, the motherboard has two sata plugs on it. and a 64 amd chip.

Must i use a jumper? On the disks?

Ive spent the entire night searching for the answer, but cant seem to find it.
I realy hope i gave you guys enough information to help me out. If not, please reply.

Thanks in advance.
Awaiting your feedback!

kind regards
BasClick to expand...

:wave:Hi there,

You haven't actually said what make... Read more

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Hey folks! You all seem very helpful, so I thought I'd give my problem a shot here:

So, my dad was given a used IBM Thinkcentre A30 8199-KUZ with all the original hardware configuration. However there were authenticity problems with the copy of XP it was running so I reformatted and first installed Win 98, but it was a pain in the rear to find Win 98 drivers for the Thinkcentre hardware, so I decided to reformat again (NTFS) and install a good copy of XP, installed all the drivers, etc. Okay, that went fine and dandy. However, whenever I cold boot the computer I get the 1962: No operating system error. I've read a lot of forums that have addressed this error and none seem to really fit my situation. I do have the correct boot sequence in the BIOS and no disks in any removable/CD drives. Also, I pop open the CPU and check the cables and everything seems to be correct regarding the Master/Slave configurations I've read about. In fact, there is only one IDE HD and it is not even on the same ribbon as the other devices, so I assumed that meant that wasn't the issue.

Here's the thing: I'm not actually locked out of the OS because I can go to the BIOS instead of letting the PC get to the 1962 error and then save and exit the BIOS and let the computer restart. This time, it boots normally, no error is received, and Windows loads and runs normally. However, I can't just let this happen all the time because if my mom wants to use the computer and ... Read more

Answer:Can't cold boot PC/HD not detected by BIOS

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Hey I just bought a new computer recently and having some problems. It was working fine and then I shut it down and then it came up the the error "reboot and select proper boot device". I wasent tampering with anything it just randomly came up with this message. I went into Bios (v02.61) American Megatrends and the SATA 1 device was not detected. BIOS is not detecting my hard drive for some reason. It detetcs my DVD player in SATA 2 but every other SATA slot is empty. I tried to make sure the wires were in correctly and they were but that didnt solve my problem. I know the hard drive is spinning because I could hear it. There was also some message regarding express gate but I dont know if thats part of this problem. IS there some setting in the BIOS to make the hard drive bootable?  I should also add that during start up before it never recongnized the hard drive but it booted up still.My system specs: Quad core Q6600 DDR2 memory 4 gigs ASUS P5Q SE motherboard Nvidia 9800 GT video card Vista home premium 32 bit Seagate 500GB hard drive Thanks

Answer:Bios SATA 1 device not detected

Go to seagate tools [google]

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Hello community
I have the Dell XPS 15 9530.
I've noticed writing speeds were pretty low which was around 25mb/sec and never above 30mb/sec.
I've faced 3 windows freezes in the past month. I've had to force shut down (by pressing power button till it turns off) in the first 2 incidents and things went back to normal after starting it again. I didn't turn it off in the 3rs incidence and I let it take it's time. I came back to the laptop like 15 mins later and I've found the laptop has restarted and not able to find an internal drive:
"Internal hard disk drive not found"..
BIOS can't detect the mSATA drive.
mSATA type:
Samsung PM851 mSATA 512GB
I was copying some large files from external hard disk to the laptop in almost all 3 incidents.
It might be due to bad sectors? What's the chance to recover the data?
BIOS version: A06
I've run PSA test and the only test it skips is the hard drive as it can't find a hard drive installed.
Any help would be highly appreciated.
Thank you

Answer:XPS 15 9530 not booting. SSD can't be detected in BIOS.

Hi Omar,
Can you send me a PM with the service tag please? I'll look into options for you.

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I have a problem with my sata maxtor hdd which happens to be my primary drive.

Was working fine no problem, turned pc off to go bed. Woke up to use it and the hdd is not detected in the bios at all.

I did not update anything or change any settings the previous day it was working. The 2nd sata drive is detected fine.

I can hear the drive power up and spin etc but theres no unusual sounds coming from it.

I have tried swapping cables around with ones that I know work and tried the maxtor hdd in another pc but no luck.

Any advise would be helpful

Specs are

Asus p5ql/epu mobo
OCZ Stealth 600w psu
Intel quad core q660 2.4
2gb geil ram
gigabyte gts250 1gb

Answer:Maxtor Diamond Max 22 HDD not detected in bios

try running the Seagate Seatools diagnostic on the drive:

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I have a machine that will no longer detect my samsung terra at bios. It seems to make the boot up noise and everything but it wont detect it at all. It does detect my other sammy but not this drive. I tried it in another machine and i get the same problem.

I swapped the circuit board from my working drive to the non working and still nothing. I have quite a bit of data on there if i can get it to boot that would be great and copy it all over.

Before this happened every now and then when i turned the machine on it would not show it as being detected. If i powered off the system a few times and turned it on it would come back, i thought it might be because it was Pentium 4 and it was old and dying but when i put it in my i3 it doesnt work.

Answer:Hard drive not detected at bios

Is this a SATA drive (probably)? You didn't provide any specifics on the hardware.

Have you tried moving the SATA cable to a different connector on the motherboard? I know you said you tried it in another machine, so that would suggest the drive itself is the problem... but still...

Try using a different SATA connector on the motherboard, and maybe even another SATA data cable.

Pull out the data cable and re-seat it, both on the drive and also on the motherboard.

I had a recent similar situation with a Western Digital Velociraptor drive, that I thought was going bad. Like you, I would try all kinds of different ways to coax it back to "normal operation", and mostly they would work. Eventually, I decided to replace it.

I ordered a new one, transferred the contents, and it all seemed to work perfectly, pointing to the old drive as the culprit. Then two weeks later the new drive began to act up again, just like the old drive had. Grrr..

Anyway, I decided that maybe it was my SATA #4 connector on the motherboard that was at fault. So I moved the cable over to the SATA #2 connector... and it's been perfect ever since (fingers crossed that this holds true forever).

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My brand spanking new Envy 750SE (750-175SE) arrived on Thursday and all had been going well until I updated the BIOS to the latest version (A0.12).  Since the update, the following messages are displayed every time the machine starts and I have to press F1 in order for it to boot: 511-CPU fan not detected.512-Rear Chassis fan not detected. Both the CPU and the rear chassis fan are spinning.  There doesn't seem to be any hardware issue. So far I've tried the following in an attempt to resolve the problem:Downgraded the BIOS to version A0.11 and loaded defaults Downgraded the BIOS to version A0.11 and loaded defaultsAttempted to downgrade the BIOS to version A0.07 but received a message saying that it's not compatible with myhardwareReset jumpers on the motherboard in order to clear the CMOSUnplugged all wires from the machine and held the power button for 15+ secondsDisconnected and reconnected both fans (even tried connecting them in different fan sockets on the motherboard.)Contacted HP about the problem but they wanted me to send the PC in for repair which I'm unwilling to do at this time.  If it's really broken, I'll return it for a full refund before doing that. Is there anything else I should try?I don't remember what BIOS version the CP was shipped with so that I could try locating that specific version. Do you guys have any other suggestions? My guess is that the new BIOS versions are poorly coded because during post, ... Read more

Answer:Fnas not detected after BIOS update

Hi, Report the issue to HP Support again and if you don't get your issued solved then return the PC before the 21 days return policy expires. You need to draw a line in the sand on these types of issues.

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This morning I checked my backup disk, aa external Seagate 2 tb ST2000DM001, used for backups and was not able to access it. I did notice that Windows tried to install drivers to some kind of device and the installatrion was unsuccesful. Of course MS does not tell us what kind of devi\ce but I am assuming that it is the Seagate external drive. What have I done so far?
1. Tested the USB connetion. OK
2. Downloaded Device Doctor from Seagate and did a scan. Drive in question not found.
3.The bios does not detect the drive in question.
4. Belarc Advisor lists it, not as a DRIVE but something connected to a USB port.
5. I do not have the installation CD. Can't be sure I ever had one.
6. Restore to a date when it was working. No help.
I need help to steer me in the right direction.

Answer:External HDD not detected in Bios and cannot access in W7

If the BIOS does not see the drive, then it is not a driver problem. It is most likely a hardware problem. Double check on another PC, but it is not unlikely that your disk went belly up - or that the USB cable is shot.

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The problem started trying to remove AOL.  AOL blocks other ISPs and I still have not figured out how to connect with Earthlink as ISP. The problem is that neither CD drive shows up on My Computer and I reset the BIOS to default and now the BIOS does not acknowledge any ATAPI, or similarly spelled, drive.This is a Pentium 3 Gateway computer with 192 Megs of ram and a 950mhz Athlon D processor running Windows ME.I have had computers over the last 12 years and know right much about them, except BIOS is something I have only had to change settings and not fix or upgrade.   I do not know what flash is.  I do not know what to make of the programs listed under BIOS in the Ultimate Boot CD.This is not an immediate problem and I see it as an educational opportunity and am glad to read. I just need some guidance from someone that has been down this path.Maybe some day I can be on the solution side, but today everything is all problems.  

Answer:BIOS problem- no CD drives detected

Welcome to Computerhope catawba. Beautiful Indian word for River People.The name is also given to a crape myrtle that blooms purple.Enough of my babble.LOL Sorry about that. I grow plants for a living._______________________________________ _________________________Have you tried system restore?

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I have installed a new Hard Disk in My PC last week as the old one failed. The Hard Disk is a Wester Digital 7200RPM 40GB. The disk installed ok, Windows 98 installed ok and backed up data restored ok and the computer has worked happerley since this time last week. Today the computer was started up ok, and worked for a few hour then the screen went black and I had to restart the Computer.

Now when it starts up it will not detect the Hard Disk. And the screen goes to a DOS promt asking for a bootable disk in drive A:

I have checked the settings in the BIOS and I have tried changing the Primary master from Auto to User but the system will not detect it, and chages to Not installed. I have also restored the default settings to the BIOS but this has not worked. I'm sure the jumpers are correct as the computer has been working ok all last week and yesterday.

Has any one got any ideas?

Answer:Hard disk is not now being detected by the BIOS

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I need your help to resolve this issue.

I am trying to install new WD SATA hard disk in my dektop . But Bios recognized as IDE. So its not properly detecting in System.

Here is my cofiguration

Motherboard - ASRock -Wolfdale1333-D667
IDE - 80 GB Samsung - Master - windows 7 installed
IDE - DVD writer - Slave

My new wd SATA hardisk model - WD5000AAKX - WD Blue / SE / SE16 (SATA II) -500 GB

What i already did:

Checked with another data cable to detect HD correctly
Tried all SATA port on my mobo
Set Enhanced option on BIOS
Please please someone help me.

Answer:SATA hardisk detected as IDE in BIOS. Please help

Maybe Win7 is not recognizing it yet if it is not initialized or formated. Can you do a Disk Management screen snip ?

Disk Management - Post a Screen Capture Image

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I've developed a voting system that runs on ordinary PCs. One theoretical vulnerability is that someone could replace the BIOS with something that makes the program appear to run correctly, yet messes with the results.

Does anyone have any ideas how to detect such a substitution?

Frankly, I'm not convinced that this is a serious threat; nevertheless some people have argued that the possibility makes my system insecure. It might even help me if someone could speculate on how a modified BIOS could be used in an attack.

My voting system boots from a floppy (using FreeDOS), and the entire diskette can be verified using a separate hash code checking program, so a modified diskette is not a risk. A hard disk is completely unnecessary, so that could be disconnected if desired. The non-volatile memory components (BIOS and CMOS) seem to be the only avenues of attack.

My software is completely open (executables have been on the web for years; source code should be there before the end of 2004), but designing an attack program to modify results still seems a major challenge. If too bold in making modifications, it is easily detected by simple tests. If too few modifications are made, it's unlikely to change who's elected. Results are saved on the diskette in several different forms that can be cross-checked, so changes in one place are detectable.

Any ideas for verifying a BIOS are welcome, as are speculations about designing a BIOS to attack undetectably a pr... Read more

Answer:Can a malicious BIOS substitution be detected?

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Hi all,

I could use input in solving this problem: Purchased this used laptop without a HDD from an auction. Installed new 2.5 inch 250GB SATA HDD, which was not detected in BIOS, and also not detected when using a MS Vista install disc. During the Vista install attempt get a message no HDD seen and asks for drivers.
I flashed the BIOS with the lates version (2.0) without a problem via the CD drive, but still no detection of HDD.

The HDD partitioned and NTFS formatted without a problem using a different computer and USB to SATA adaptor using command line method. Just to further check, I switched out the new HDD for an extra 2.5" SATA HDD used for backups, but that HDD was also not detected.

There is not a "compatibility" option in CMOS to select SATA or Auto, etc.
There is not a second HDD so this is not a slave/primary issue. There are no jumpers on the new HDD.
Setting the CMOS settings to "default" does not solve the problem.

The SATA connectors on the HDD and laptop are in perfect condition.
The drive is also not detected on the laptop when connected via USB to SATA adaptor, but of course there is no OS installed to support that connection.

Anyway, I just can't come up with any more ideas to try.
Any suggestions would be really appreciated!


Answer:HDD not detected in BIOS on Satellite A215


The BIOS should recognize the HDD even if the SATA mode would be set to compatible or AHCI. This should not affect the HDD recognition.

You said that you have tested the condition of the HDD and that this is ok? so I assume it?s not HDD issue.
Hmm? you could try to format the HDD once again and then to connect the HDD to the notebook.

Other idea: remove/disconnect the CD/DVD drive and then connect the HDD to the SATA connector.
If this will not work, then I would recommend testing another HDD, otherwise if new HDD would not work, then a SATA controller might be faulty.

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Hello, everyone I have yet another problem with my old computer.

It's another hard drive problem. My most recent hard drive was a Western Digital but it was freezing up on me and a disk check found some bad clusters. The disk check froze and then I decided to wipe it but it froze while trying to wipe it so now it's pretty much busted.

Now, that wouldn't be too awful if the new hard drive I just got in the mail actually worked. This one's a 160 GB Seagate Barracuda and though it does make a small beeping noise every few seconds, it's not a noise I can find online that would indicate it's failing so hopefully it's just a normal noise.

Currently neither my old WD hard drive nor my new Seagate Barracuda are detected in Bios. However, another hard drive, a Samsung (which seems relatively stable but has crashed before) can be detected and starts up fine. I've used the same SATA cables that I use to successfully start up the Samsung drive but the other drives are still not detected.

I've actually tried a few other hard drives on this computer before but it only seems to detect some of them. I don't know what to do to get it to detect this hard drive. Although the motherboard is new and hopefully not the problem, it is an MSI 760GM-P23 FX. Unfortunately I can't really try the new hard drive with any other computers to make sure it works.

Please help me out.
Edit: Okay, I was able to plug in the new Seagate drive into an o... Read more

Answer:Certain Hard Drives Not Detected By Bios

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When I start my computer, immediately after the Intel logo, I get the message:

"BIOS has detected unsuccessful POST attempt(s). Possible causes include recent changes to BIOS, Performance Options or recent hardware change. Press 'Y' to enter Setup or 'N' to cancel and attempt to boot with previous settings."

So... I press 'N', and the boot continues.

I'd really like to get rid of the message. I remember having the same message with Win 7 (and I think it has more to do with the BIOS than anything Windows.) The message finally went away with Win 7, but it's really being stubborn with Win 10. Can anyone help?

Answer:BIOS has detected unsuccessful POST...

Check your boot order in the bios. I remember getting some of that if usb flash drive is set before the hard drive. I choose dvd drive, hard drive then usb drive. If your computer has an internal floppy drive, I would put that first before the dvd drive.

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I have just purchased a Hypertec 240Gb mSATA board as an upgrade for my W520.  The issue I have is that after installing the mSATA card in the dedicated slot under the keyboard it is not recognised by the BIOS and therefore unusable. Does anyone know if there is a maximum size mSATA for the W520 or what the technical spec of the mSATA port are, i.e. speed 6Gb or 3Gb, etc Product Id: 4318CTOBios: 1.45  


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Answer:w520 mSATA not detected in BIOS

I do not have a ThinkPad W520, nor have I user a Hypertec mSATA SSD myself, but the W520 is from the same generation as my X220, and I know that it works with mSATA SSDs from at least two different vendors, MyDigitalSSD and Patriot.
Therefore, I'd suggest checking a few things to see if any of them make a difference:

Verify the W520 has the latest BIOS/UEFI firmware installed.  I believe the latest version is 1.42.
Verify you have the latest firmware installed for the Hypertec 240GB mSATA SSD (which I'm guessing is either their SSD2S240FS-L, SSDM240SF1200SA2 or SSDM240FS-L model).

There could also be an issue with the mSATA SSD itself.  A couple of ways to test that would be to try using the mSATA SSD in another computer, both via a mSATA to 2.5" drive adapter or in another notebook computer with a known good working mSATA port.
Once you've done those troubleshooting steps and let us know the results we should have a better idea about how to proceed.
Aryeh Goretsky

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Hi, I've just built my own PC for the first time. It has a SATA HDD (Western Digital WD400), a DVD/RW (Pioneer DVR-109) and a DVD-ROM (Pioneer DVD-120RD). My motherboard is Asus P5GD2 Premium. The HDD is connected via a SATA cable in the SATA1 connector in the motherboard, and the optical drives are connected via an Ultra ATA ribbon cable in the Primary IDE RAID connector. The jumpers are currently set as thus: HDD - cable select, DVD-ROM - slave, DVD/RW - master; although I have already tried swapping them around. When I turn the computer on, it does an IDE scan and detects the DVD/RW and DVD-ROM as being 'Drive 0' and 'Drive 1' respectively. It doesn't show the HDD. Then when I go into the BIOS, only the HDD appears, as 'Third Master IDE'. Because it doesn't detect the optical drives, I can't install WinXP. What's going on?!

Answer:Optical drives not detected in BIOS

ok. you have 1 hdd via sata correct..

why not use both ide channels for your optical drives.

set them both to cable select and put them on their own IDE cable

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Hi there!

I'm having trouble getting my parents' computer going. They've used it for about a year and it's quite a mess. The problem is that the two CDROM drives (one DVD and one CDRW) are not being detected in BIOS. Here is what I've done so far to make it clear what I'm asking:

1) I was getting ready to format the PC for a fresh start. There were many problems; the CDROM drives weren't being detected in Windows OR in BIOS, even though they had been previously (they just suddenly disappeared) and the computer was littered with viruses.

2) I read that a problem like this could be caused by burning software like Easy CD Creator. I uninstalled the program, but I didn't do any intense registry editing, as I was planning to format anyway and thought it would make no difference.

3) I assumed that the two CDROM drives were physically working, as I thought it was unlikely that they had both broken at exactly the same time. I swapped the data-cable for the hard drive with the data-cable for the CDROM drives. When I booted and went into BIOS, the hard drive had moved from Primary Master to Secondary Master, but all other slots were still not doing anything at all. I replaced the data cables in the machine, to the same effect. This made me think the CDROM drives had broken, but I still thought this to be unlikely.

4) I had already backed up everything they needed to keep, so I thought 'what the hell?'. I booted from Floppy and used... Read more

Answer:CDROM drives (two of) not detected in BIOS

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