Computer Support Forum

Getting Windows to recognize new internal hard drive

Question: Getting Windows to recognize new internal hard drive

The internal HD i always use is SATA. I bought a raid controller for other purposes but it had an IDE slot on it so i decided to use the other spare HD i have (internal also).
I can boot off of it and see it in paragon and device manager,but it wont show up under hardware and devices,my computer etc.

Any way to fix that?

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Preferred Solution: Getting Windows to recognize new internal hard drive

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link (This link will automatically start a download of Reimage that you can save to your computer.)

Answer: Getting Windows to recognize new internal hard drive

Used Paragon to assign drive letter.

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Hello everyone.

In desperate need of some help.

I brought Samsung Internal Hard drive ST1000LM024 to replace in MacBook Pro 2013.
When i install the Hardware and run Window 7 Disk i dont get see the Hard Drive to install the Window 7 to.

SO, i decided to format on my other Window 7 PC by plugging in using SATA Cable to format and partition.
But i dont get the option to do that on Computer Management. ( I have attached the pic )

For some reasons i do see something under Device And Printer (Under Device )

Really not sure what to do at the point. cannot format on PC and wont recognize in MAC,

Please help

Answer:Internal Hard Drive wont recognize in PC

You`re trying to install windows on a Mac ?

Do you have both sata cables connected to it ? The power and data cables ?

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I just did a clean reinstall of windows recently and I've been having trouble getting xp to recognize a western digital internal hard drive (wd2000JD) that is plugged into a buslink sata pci card (SPCI2P). When the computer starts up it goes through the bios screen and has the hard drive listed but whenever i boot up xp it doesnt see it, I took some screen shots of the management utility to show that the computer is only seeing one drive. I've emailed buslink but they have yet to get back to me.
Any help is greatly appreciated!

Answer:[SOLVED] Need help getting XP to recognize my internal hard drive!

I am a former Buslink Support tech. You need to install the driver for you SATA PCI card. it's listed in your Device Manager as "Other Device" if you do not have the CD for you PCI card you can download it here

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I am unable to boot up my computer without the windows 7 installation disk. If I try without an installation disk, an error message comes up saying that there is no bootable device and a bootable disk must be inserted. However, when running the computer with the windows installation disk, it goes directly to the windows setup screen without prompting so. Then, to top it all off, when asked to select an existing drive to work with, no drive appears and thus, the selection box is blank. When trying system repair, the problem cannot be identified and system restore cannot fix the problem either. But, I am certain that the drive still works because it can be heard within the computer when it is working. What should I do? Nothing seems to work...


Answer:Computer will not boot up and does not recognize the internal hard drive

Can you check your BIOS whether the hard disk are showing up or not?

it is the only way to tell whether your HDD is detect by the BIOS after the POST

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Hello everyone!

I have a Dell Studio XPS 1640 laptop and have just run into some major problems. When I boot up it will get as far as the opening loading screen (where it displays the XPS within the circle) and it will freeze up. I then ran the diagnostic and it showed that my system has no hard drive. (meanwhile the hard drive is making some pretty crazy sounds). When I tell the system to boot from the CD it makes it to the loading screen with the side-scrolling green bar at the bottom and it gets stuck in the loading cycle I.e. It keeps going going and going. What might this be caused by and is it a simple fix?

Thanks foe all your time! Any answers/help would be greatly appreciated!

Answer:Dell Studio XPS 1640 will not recognize internal hard drive

youve pretty much answered the question yourself, the HDD is buggered

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So, yesterday i was using my lenovo g400s notebook, it came with Windows 8.1 x64, the system was very slow, so i used windows defrag, ccleaner and deleted some files, so far so good.After a few hours, i tried to open intel rapid storage to see why it stopped, the program froze, i tried to open task manager but it was very slow, so i forced the laptop to power off by pressing the power button for a few seconds. When i tried to start the laptop again, it give me an error saying ``EFI network 0 for IPv4 boot fail`` and then this message appeared =
Spoiler (Highlight to read)
I tried to open the BIOS menu, the hdd still shows on Information TabLink to image 1But it wont appear on Boot menu when boot mode is set to ``UEFI``, the hdd only show up when Legacy Mode is selectedLink to image 2
Link to image 3But if i try to boot in Legacy Mode, it just give me a black screen.i tried to access recovery mode but happens the same thing, just black screen (legacy mode) or boot device is missing (uefi mode)I tried to format the laptop using a usb flash drive with windows 7, but it wont find my hddi`m using now Ubuntu from flash drive, and it wont find my hdd either. So i can`t backup any files =/
Link to image 4Why the bios information tab shows my hdd but i can`t load it anymore? Any clues? What can i do? Is my hdd dead?SOrry for my bad english
Moderator note: large image(s) converted to link(s):  About Posting Pictures In The Forums

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Hello All, new to the Lenovo Community. I have a T60 as well as newer Lenovo Edge. The HD crashed on the T60 and it will no longer boot. I just purchased a WD 500GB without doing a lot of research. In trying to install Windows 7 (I had already upgraded the T60) it will not recognize the new drive - Windows does not see the drive at all. Is there a way to get the Lenovo to recognize the WD drive? Thank you in advance for any help.


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Answer:T60 hard drive replacement - Windows does not recognize the hard drive

It sounds like you're doing something wrong, if the drive is an SATA it should work, just install it and boot from your windows setup DVD and it will setup the drive and format it for you, or you can optionally setup the partitions manually when prompted to do so. If you're trying to do something unusual like transfer the windows from the old drive then you need to explain exactly what you've done because I see no reason this shouldn't work. Infact I've done it many times myself.

ThinkPad W-510 i7-820QM(1.73-3.06GHz) Quad Core... ThinkPad T500, T9900, 8gb SSD...FrankNpad T-60p/61p (X9000 2.8ghz) 8gb SSD ips FlexView...ThinkPad T-61p (T9300 2.5ghz) 8gb ram...Thinkpad X-61 Tablet 8gb ram.

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Hello Everyone, I have just purchased a Aspire VN7-571G yesterday. After setting everything up and copying all the files from my old laptop to the new one, all of a sudden, it doesn't recognize my internal hard drive anymore and therefore won't boot up windows. I can access the BIOS but there it doesnt show the hard drive, like there is none. The computer has been used the whole day without any problems. Anything I can do to make it recognize it again?Will there be any way of recovering the hard drive without loosing the already collected data? Highly appreciate your support! Thanks,  Frank 

Answer:Aspire VN7-571G won't recognize internal hard driv...

if BIOS can't recognise the HDD (on main page is not listed under SATA devices), you can't do pretty much; probably you have a faulty HDD.  

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I just built a new computer with Windows 7 32 bit. I installed a 1TB hard drive, but the system is showing only 127GB. Is this due to the 32 bit system. I know the 32 bit will only recognize 4GB of ram and that's what I installed. Is there a way I can have the system recognize the full 1TB?

Answer:Won't recognize all of 1TB internal drive.

Is the drive your system partition? Post a screenshot of your Disk Management screen so we can see what's going on.

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I had a hard drive which I wanted to reformat. So I back it up and went did a "quick format" on it.

At that point my 4tb which showed 3.6tb reformated to 1.63tb.

When I go into disk management Windows which previously saw 3.6 of 4tb only sees 1.63tb.

So I started over from scratch.

I deleted the volume, initialized the disk to GPT and but still all it sees is 1.63.

I have two storage drives on this computer and my other storage drive is recognized as 5.45tb on a 6tb drive, so it's not an issue of Windows not being able to recognize the drives.

It's not that it's not formatted properly as it is initialized to GPT.

Out of curiosity I went into Linux with a live usb stick and used GParted. I was able to see the full allocation on the disk and I formatted it in Linux.

Upon exiting Linux and going back into Windows, NOW Windows shows me the full 3.6 capacity. However other partition managers like Easeus, or MiniToolPartion now report 122% capacity .

I figured I could just use it since Linux seem to get it formatted correctly, however since it will be used for storage I was a bit nervous and still don't understand why Windows which once allowed it to be formatted correctly won't let t.

I also checked the drive with the SMARTS tools by Western Digital and they found the drive fine and report 4.0 as the capacity for the drive.

I thought perhaps a driver issue, but it just then the other drive is fine and so was this one previously.

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Hey, I'm almost done with the long process of building my first PC *confetti* and I need a little bit of help.
My Hard Drive is RECOGNIZED by windows but my PC isn't using it. See Below

Thanks again mates!

Bonus Benchmark (note this is @ 1080p + Extreme Settings)
Unigine Heaven Benchmark 4.0

Min FPS:
Max FPS:

Windows 7 (build 7601, Service Pack 1) 64bit
CPU model:
Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (3500MHz) x4
GPU model:
NVIDIA GeForce GTX 770 (2048MB) x1

1920x1080 8xAA fullscreen
Powered by UNIGINE Engine
Unigine Corp. ? 2005-2013

CPU-43 deg cel MAX
GPU-61 deg cel MAX

Answer:Getting Windows 7 to recognize my Hard Drive?

Are you talking about DISK0?

If so, you need to partition it first in order for Windows to be able to access it. Here is a tutorial:
Partition or Volume - Create New

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Hi I am building a computer fort the first time and I am having trouble getting Windows 7 to recognize my hard drive. My har drive and mother board are as follows:

Hard drive-Seagate Barracuda 7200.12 ST3500418AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive,
Mother Board-GIGABYTE GA-870A-UD3 AM3 AMD 870 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
So when I go to install windows 7 I eventually get to a screen where it ask for an install location, unfortunately it doesn?t seem to recognize my hard drive. It gives me an option of installing driver so I went to the gigabyte website and downloaded the drivers that it said I required. I believe there was an ACHI driver and a Raid driver. After I stalled both of these drivers the hard drive still was not detected. One strange thing I noticed was that when I browse for a driver my hard drive is listed as a place I can search. I then proceeded to the Bios to try and match the drivers.
The hard drive is detected in the Bio. When the HD is set to IDE my BluRay play is able to read the windows install disc. But windows won?t recognize my HD. If I set it to ACHI or Raid I can?t seem to get the windows CD to load. Do I need an IDE driver?
Out of frustration I tried installing a windows XP to see if it would be able to recognize my hard drive. It seemed to load on the hard drive fine but entered this weird loop where windows would install itself but wouldn?t actually load as the operating syste... Read more

Answer:Windows 7 won't recognize my hard drive

Your HDD needs to be formatted to NTFS in order for Windows 7 to recognize it. This option to Format is available in the installation Menu. Please read this tutorial and see if you are able to format your HDD during the installation.

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I am trying to install a second hard drive on a IBM intellistation 6898. The bios of the computer recognizes the second drive but when I go to windows NT it does not recognize the second drive.Could anyone give me any suggestions on how to handle this problem.



Answer:windows nt does not recognize second hard drive

have you installed the latest drivers?

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My fresh install of Windows XP will not recognize the hard drive in my 3000 N200. When I install Vista it goes right on. I performed a complete wipe of the hard drive before trying this and I have tried it 5 times getting the same error message each time. Windows can't find a hard drive.

Answer:Windows XP won't recognize hard drive

You have to go into the bios and disable the SCSI interface and set it to IDE. Windows XP doesnt come with prepackaged SCSI drivers. Had the same problem on my n200.

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So I bought a new WD caviar blue 500gb from newegg. I know that Sata II is hot swappable.

Anyway, I plug it into the psu and you can hear it spin up and it vibrates a little. Gets hot after a while. So it works.

Can't get it to be recognized in Windows after plugging it in to the mobo. Tried it on my good computer (Vista HP 64) and my old one (XP MCE 32)

Defective drive or am i an idiot.?


Answer:Windows won't recognize my new hard drive

Have you formatted it? New HDD's come in RAW format, which is not recognized by Windows or any other OS. Go into Start > right click "My Computer" (or 'Computer' in Vista) > go to "Manage..." > click on 'Disk management' on the left-side pane > now find your 500GB drive on the right side pane when it loads > right click it and choose to format it/create a new partition. Make sure you do a full format since its a new drive.

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I bought a new hard drive today, a Western Digital OEM Cavier 80gb SATA hard drive.  I currently use 2 IDE hard drives, a 6 gb for XP as primary master, a DVD burner as primary slave, and a 80 gb in secondary master.  I use an Asus A8v-vm mobo.My problem is that my bios recognizes the hard drive when I go under hard drives in the BIOS, but Windows does not recognize the new drive.Anyone got any help?

Answer:Windows XP won't recognize new hard drive

You need to press F6 at the beginning of the installation and when prompted, provide the SATA driver diskette so setup can see the drive.

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I upgraded my Dell Insperion from Win 7-64 to Win 10 home 64, and it no longer sees my 2nd internal hard drive. I tried a scan in device manager but it did not help. Any advice?

Answer:Win 10 upgrade will no longer recognize 2nd internal drive.

Hi there. Is it recognized in > Hold Windows key then press x > Choose Disk Management?

It may report it needs to be initialized. If so, please report that first. Do not perform yet.

Did you make a backup before upgrade by any chance?

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Good morning,
I have a :
toshiba satellite C50D-A-12R
serial number: 1E193026S
Windows 7 Professional 64-BIT, it did not recognize the internal dvd toschiba satellite C50D-A-12R.
How do I reload the ATAPI driver sys? Can you tell me what toschiba driver with AMD quad-core A4 can I use?
Thank you. Blessed

ho un :
toschiba satellite C50D-A-12R
serial number : 1E193026S

con Windows 7 Professional 64 BIT, non mi riconosce il dvd interno del toschiba satellite C50D-A-12R.
Come posso ricaricare i driver ATAPI sys ? Mi potete dire quali driver toschiba con AMD A4 quad core posso utilizzare ?

Grazie. Benedetto

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I have a Dell Demensions 4600. I attempted to install a Maxtor OneTouch 4 Plus external hard drive. Upon installation I received a "windows could not load installer for HDC" error message. Once setup was finished, the hard drive is not visible under "My Computer". It is present in disk manager, and says that it is "healthy". I tried reassigning the drive letter, which did not work. The hard drive light is on, and it works when plugged in to another computer. So the problem must be with my operating system (Windows XP). I have service pack 2, and tried reloading my chip set. Can anyone help?!?

Answer:windows does not recognize external hard drive

most probably it is becoz an unsuccessful installation

troubleshoot page of maxtor
also this windows kb;en-us;q315346

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I have X60s Model: 17044JU
I have original XP installed.
My computer is very slow and I am trying to reinstall XP from my CD (and format HD so I clean everything).
When Windows installations blue screen shows up and loads drivers etc then it tells me that it does not recognize any hard drive.
I thought I may need SCSI or RAID drivers but since I don't have floppy I can not load them.
Any help how to install new XP would be appreciated.
Thank you
Moderator edit: Masked serial number to prevent mis-use.


Go to Solution.

Answer:Windows XP re-installation does not recognize any hard drive - help

go to bios menu switch hdd mode from achi to compatibility. 

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In an attempt to make more space for my media files, I created a new partition on my computer and simply moved all of the files from my previous 40Gig partition into my new 100Gig partition.
Everything was done using the built-in software that came with Windows 7 Ultimate.

Things went fine for a while, then I wasn't able to load my PC.
Fair enough, I reinstalled the OS.
It worked for a few hours, I installed all the updates into my system after the fresh install.
But when I turned it on in the morning, it worked for about 30 minutes and then I got a blue screen and it auto-restarted.

Now, I can't access Windows or even reinstall it.
The Windows installation disc doesn't recognize my hard drive anymore.
(It's an official disk that I got from my Dad whom works at a Microsoft partner company.)

Answer:PC doesn't recognize my hard drive, Windows 7 Ult x64

Boot from your Win 7 DVD into a command prompt.

Can you see the disk and drives there?

■At the first dialog window, press SHIFT + F10 key combo
■You will have a X:> command prompt
X: is a ram drive created by Windows 7.

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I have a Dell XPS 400 (XP media center) that I am fixing for someone. It gives the error message that HAL.DLL is not found. Usually I can fix these kind of problems without a hitch, however...

the windows Media Center installation CD does not recognize the hard drive. I can not run the recovery console or reinstall. I get a Blue screen stating that windows did not find any HDDs installed in my computer. I have a copy of UBCD4WIN that was made from an image of this same disk. Running UBCD4W I can access the disk, and ran HDTUNE which found no disk errors.

Any idea why this is happening? It is a SATA drive, and obviously the BIOS recognizes it.

Also, does anyone know of any utilities that may help me on the UBCD4win?
I tried just replacing the HAL.DLL file, but windows still can not see it.

Answer:Windows Install CD will not recognize hard drive

That worked great. If anyone else reads this needing help, I just downloaded the drivers from the dell support page and slipstreamed them into my XP disk using nLite.

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I just completed building my own PC from scratch. I am trying to install Windows 7 Ultimate OS 64 bit. The Bios is recognizing my western digital Hard drive, but once Windows 7 tries to install it is not recognizing my Hard drive. It is asking me to install the driver for the hard drive. Is there some other setting I should be changing in the Bios to have the OS recognize my hard drive. What exactly is Raid and AHCI Sata Mode and should this be set to default. The Motherboard comes with a driver CD, but it says to install and OS 1st. Help ASAP would be much appreciated. Thanks.

Answer:Windows 7 Install won't recognize my hard drive.

One option Im sure some one will frown upon but it worked for me on my Lenovo T500 was to turn AHCI to Compatibility Mode and then try it. Otherwise you will need the raid/SATA drivers from your computer manufacturer on a flash drive to install Windows 7 (Press F6 during Setup start).

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I recently reinstalled Windows XP becauses of some missing files. I had two working hard drives installed before the reinstallation. But now, only the primary drive shows. My problem is that the drive appears in the BIOS, but does not appear in disk management or explorer. I rechecked the BIOS 4 times and everything is the same as it was before, and I didn't touch the inside of the computer. I just can't get it to show up in disk managment. Please Help!

Answer:[SOLVED] Windows will not recognize my hard drive

Have you installed any of the windows updates since reinstalling?

What is the size of the drive that is not showing up?


Windows XP support for 48 bit LBA (needed for drives larger than 137GB) support is as easy as installing Service Pack 1 or 2. This enables support for drives larger than 137 Gigabyte.

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A friend of mine brought me a fujitsu siemens laptop (amilo pro) with a Samsung Sata HM060II hard drive that was not logging into windows xp. I ve put it into a usb case and run a virus scan on it that cleared the virus and the disk was working properly. When i logged in windows i ve notice so many spyware that i tried to format the drive immediately.On my friends laptop the win xp installation disk wouldnt recognise any hard disks so i ve tried installing it on the drive as an external usb drive from my laptop.The installation failed with a blue screen for hardware failure. I bought a new hard drive (Samsung SATA HM160HI) that i partitioned and formatted. ( primary, NTFS). Neither XP or Windows 7 installation recognize it. i can work on it from my laptop as an external usb drive. i ve run several diagnostic tools from my friends laptop with a boot cd and every software recognize it, give me details, scan it for errors. The bios even recognize it.
I need to install an OS on it!
any ideas or suggestions? i ve been working for a week on it. its getting exhausting.

Answer:Windows installation cannot recognize my hard drive

Is the hard drive seen in the bios? Is the SATA controller properly enabled and configured in the bios?

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I just reformatted windows and all i did was delete the c drive partition, and then install xp on that partition. This was all on a 80 gb hard drive that was formatted into 30gb and 50gb. windows is on the 50gb partition and it works now. But I had a 300gb hard drive before i reformatted which was just for storage, when i reformatted my computer i did not even touch the 300gb drive. But now if i go into xp it will show up as a raw drive as in not formatted. And the 300gb hard drive only shows up as 127gb. But it should show up as two 150gb partitions. If anyone wants me to clarify anything please ask. I really need this data back since its all my pictures and i have homework on there.

Answer:Windows will not recognize 300gb hard drive?

my friend had the same problem but he just formatted it and it was fine.... hook it up in another computer, maybe the only way to get your data back..

is it sata??? might have to install the drivers for it.

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i HAD FORGOTEN THE WINDOWS PASSWORD and formated the hd from the blue button goig to install Linux soon so what the hell clean it up been a few years since I had used this brain box anyway start anew well didn't do any prior copies no back up now im stuck with out that hd option any good ideas i have copied pc doc master boot and some patch works thru this forum but noting seems to work booting sequence @ #1,cd #2ubs & hd last it had window 2000 in it... How can I get bios fixed??? any ideas out there???

Answer:r-50 1830 MISSING FOLDER (hard drive direct memory) +(internal network device)+(internal erthnet )

I read your message 3 times but still didnt get what are you trying to say.

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I'm attempting to install a 400GB Seagate internal SATA drive into my Dell XPS 400 running XP Media Center. What I did/what I know:

1. Drive spins, so it has power. Switched out power/signal cables with primary HDD and they work properly.

2. BIOS is in SATA auto-detect. Doesn't detect anything.

3. There are slots directly on the motherboard. (No host adapter.)

4. Ran Seagate DiscWizard, entered drive model number, connected, restarted, and nothing happened. The new drive hasn't been recognized by DiscWizard, Windows, BIOS, etc.

I thought SATA was supposed to make this automatic. Any suggestions? Thank you!

Answer:XP/Dell XPS410 won't recognize 2nd internal SATA drive

I have to ask.........before you bought the Seagate internal HDD did you make certain it was compatible with your Dell, rumours abound that Dell switch's the wiring so that you have to buy from Dell or your aftermarket devices will not work.............Not saying this is true, just a rumour.................Oh and Welcome to Major Geeks Beastie

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I installed windows 8 and formatted my SSD to do so, and now Win 8 is on it clean installation.

I loaded up computer, and can't find my 2tb hard drive? It's not showing anywhere.. where has it gone? It shows in device manager but I can't access it.. :(

Answer:I can't see my Internal 2tb hard drive after installing windows 8, only my ssd

Similarly to the steps below from Ryanbac. 
Once your in Disk Management and you can see your 2nd hard drive, you'll need to assign a letter to it. 
Right Click on the Drive > Change Drive Drive Letter and Paths > Choose a letter. 
Once this is done you'll be find your 2nd or 3rd HDD when you open My Computer. 
If you can't then you'll definitely need to format it. 
Hope that helps :) 

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hello i have 4 hard disk on my pc 3 hhd and one ssd on ahci mode but the Windows 10 says internal hard drive is external why?

Answer:Windows 10 says internal hard drive is external.

Do you have hot plugging enabled in you BIOS?

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hello i have 4 hard disk on my pc 3 hhd and one ssd on ahci mode but the Windows 10 says internal hard drive is external why?

Answer:Windows 10 says internal hard drive is external.

Do you have hot plugging enabled in you BIOS?

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I've searched the forums without much luck. I have tried everything that was suggested but it did not seem to help.

I've been running my current set up for roughly two years and it has been fine until recently. My secondary drive for programs, storage, etc. will just disappear. It does not happen on any set routine or anything, just randomly.

If I restart I do not get the drive back, however, If I shut it down and plug the drive into a different port it recognizes it again. I've gone back to the same port numerous times so none of the ports are bad. I've changed sata cables and power cables. Still getting the issue.

Any ideas are greatly appreciated...Thanks!!

Answer:Windows Losing 2nd Internal Hard Drive

Welcome to W7 Forums

When you restart and, as you say, you don't get the drive back, is it being picked up by the BIOS (you will need to enter it to find out) ? If it isn't, then it won't be picked up by Windows or any other OS.

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I recently installed windows 7 home premium 64 bit, previous OS was Vista home premium 32 bit. My desktop is an HP pavilion d4650y.

I have the OS loaded on my main HD which is a SATA.

HD & DVD drive worked perfectly before on vista. I tested both devices on another pc with XP and they work fine. I've triple checked the connections but still the devices are not recognized by win7. I've also tried renaming the HD & changing the drive letter, but still no luck.

Both drives are connected to a PCI E card, and are set to cable select, on separate cables.

In the BIOS both drives show up.

In disk management they do not show up at all.

My HD is a western digital 250 gb EIDE, and the DVD drive is a IDE Pioneer DVD burner (secondary disc drive).

Any help would be appreciated.

Answer:Windows 7 won't recognize IDE Hard drive & DVD drive

What drivers did you install? Did you install the necessary drivers for the PCIe card?

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I just used DBAN (Darik's Boot and Nuke ( to wipe my hard drive because there were lots of unused partitions of various sizes and I didn't feel like trying to erase each one and combine them to one. So now when I try and install Windows XP it says it cannot install because there is no hard drive. Is there any way I can make that hard drive visible to Windows again. I'm pretty sure the hard drive isn't broken because I can install Ubuntu just fine and it recognizes the hard drive. Thanks a lot.

Answer:Windows XP doesn't recognize hard drive during installation

Sounds like you need to use the F6 option to install your drive controller drivers.

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Help! My OP isn't recognizing my hard drive.

I am working with Windows 7 Ultimate, and it won't pick up my external hard drive. When I do the steps above it says that its working properly, but it does let me have access to it. Please tell me what is the best way to keep from throwing my computer out the window?

Answer:PC doesn't recognize external hard drive Windows 7


Moved your post to its own thread as differnent OSes may need different fixes as well as different hardware drivers.

So did you complete all of the advice in this thread HERE and is exactly what you mention above in letting you have access or not allowing you access.

When I do the steps above it says that its working properly, but it does let me have access to it.Click to expand...

Is your Windows 7 fully upto date with all updates and hotfixes?

What is the make and model of External HDD?
Have you tried the drive in another PC and did it work ok?
Has the drive been working ok for a while and this is a new occurance of has this gone on since you have had the drive?
Was the external HDD formatted in a Windows XP PC originally at all and what File Format is being used (FAT, FAT32 or NTFS)?

What I would try is to delete the driver for the mass storage device in Device Manager (also while in device manager are there any devices with yellow ! marks and if so what) and to do this on the correct drive, dont have the USB drive pluged in, then in Device Manager open the Universal Serial Bus Controllers branch, then plug in the drive and a new hardware item will appear, likely a mass storage device, once this appears right click it and choose uninstall, then unplug the external HDD and reboot, then plug in the external drive and Windows will re-install* the driver

*only in the main if you dont have other missing device drivers,
&nbs... Read more

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I'm connecting a 30GB Travelstar Hard Drive via an external USB 2.0 case to my Thinkpad T40 with Windows XP (pro). Windows immediately recognized it. However, the hard drive does not show up under Windows Explorer. I can go into Device Manager, click on Disk Drives, and it does show the new drive there (along with my main hard drive, which is a 80 GB hard drive).

I cannot figure out how to make it show up in Windows Explorer with an Drive Letter assigned to it and thus, how to actually use it.

I have used the windows xp install cd to format the hard drive as both FAT32 and NTFS, but Windows XP still will not recognize the hard drive when I boot up.

I have also tried going into Computer Management/Disk Management ... but the hard drive does not show up under Disk Management.

However, it does show up under Device Manager under Disk drives as a "ICN25N030 ATDA04-0 USB Device"

Any help / suggestions / ideas would be greatly appreciated.


Answer:Solved: Windows XP won't recognize external hard drive

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Hardware in question:

Primary HDD: 1TB Seagate Barracuda ST31000528AS (7200RPM)
Secondary HDD: 3TB Western Digital WD Green WD30EZRX
I've been spending the last month attempting to build my first gaming PC. I'm finally at a place where the PC turns on and wants me to install Windows. So I've decided to take the secondary hard drive from my old PC (3TB) and make it my primary (and only) hard drive in my new PC, which I was told by many many PC enthusiasts that I would be able to do no problem.

The problem is: Windows 8.1 says the hard drive is not compatible, and must be formatted to NTFS. So I re-hooked the hard drive up to my old PC and attempted to convert it. But it turns out it's already formatted to NTFS! So if it's already properly formatted, why does Windows 8.1 say it's not the correct format? Do I need to erase everything on the hard drive and start from scratch? Because that is exactly what I was hoping to avoid!

One thing I noticed is that there is in fact a partition: one is 2TB, and the other is 740-or-so GB. But I don't know how to check if the partitions are formatted differently, if say the 2TB portion is NTFS and that's what I'm seeing, and maybe the rest of it is a different format. If there's a way to find out, I'd like to know.
An alternative to all this would be to use the primary hard drive of my old PC (1TB) and simply UPGRADE to Windows 8.1. But to do that, it wants me to restore that hard d... Read more

Answer:New PC build - Windows 8.1 won't recognize NTFS Hard Drive

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Hello guys:

Well I have an hard drive into a external enclousure but the windows XP of a new CPU do not finish detect it when I connect it. But the same external hard drive work fine in my laptop. I formated my CPU 2 times, but i got the same error of Windows. My CPU has a new motherboard Foxconn M7VMX-K.

The USB ports work fine with my pendrive.

In my computer i can see a new hard drive with a letter (K, whithout data.

The Windows XP Administrator Disk doesn't show nothing about the external hard drive.

Sorry, my english isn't perfect!.

Please help me, thanks guys,

Answer:Windows doesn't recognize my External Hard Drive

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My HP 510 - P024 does not find my WD 2.0TB Sata /64 cache WD 20Purx  WD Purple surveiillance hard drive. I think I was  close to get a drive assingned for it the other day and I left the page with the info. and I cannot get back to that page . But this is Windows 10 and this is nothing like windows 7 . This is a WD Purple surveillance hard drive . I got this on Ebay and when it stopped I emailed the buyer and he said to take it out of the metal box and connect it to a working PC with USB and I do this but cannot find it . I have been there where it says to right click and format the device .Maybe somebody can figure this out I cannot . Gene

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First post, long time reader. Hopefully someone can help me with the following:

I just recently got a hold of an older PC that I wanted to use for test purposes with Windows 7. The problem is that the BIOS on the PC does not recognize the Hard Drive. Upon startup I get the following message:

Primary hard disk drive 0 not found
Primary hard disk drive 1 not found
Strike the F1 key to continue, F2 to run the setup utility

Now get this, although the BIOS does not recognize the hard drive, Windows 7 and XP recognize it just fine (displays the correct size and everything). I have never seen or heard of this happening before. Usually it's the opposite (i.e. BIOS recognizes the drive but not Windows).

Windows 7 displays the following error link under the "Where do you want to install Windows?" dialogue box:

Windows cannot be installed to Disk 0 Partition 1. (Show details)

Upon clicking on the error link I get a pop-up window with the following message:

"Windows cannot be installed to this disk. This computer's hardware may not support booting to this disk. Ensure that the disk's controller is enabled in the computer's BIOS menu.

Details on the computer:
Dell Dimension 8200
Pentium 4 Processor
512 MB RAM
80GB Western Digital

Also to note: the hard drive is in good working condition as I tested it in another PC. The only thing that I can think of at this time is the mobo. However, everything else works on the mobo (i.e. floppy drive, both DVD drives, U... Read more

Answer:BIOS doesn't recognize hard drive but Windows does

Just taking a shotat this . . maybe a bad ribbon cable.

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I just purchased an HP Spectre x360 back in November - so it is pretty new! Suddenly this weekend, I began getting the BSOD. I've tried to reset my laptop and it won't allow me to reset. I've tried to restore to a system restore point and that still doesn't address the issue. Doing an "refresh" of Windows does not fix the issue. So I decided to ust nuke the whole thing and install a complete fresh version of Windows 10. I have a USP drive that is bootable with the installation ISO. I am able to boot to the USB drive just fine.  But when trying to do a clean install, my laptop will not recognize/find my internal hard drive, even though I'm able to boot to it just fine! The only drive it seess is trhe USB drive I'm using to boot from.If I do a "diskpart" when in Install dialog,  and list disk, it only shows the USB drive. No idea what's going on, but am literally at the end of my rope with this Spectre and Windows 10! I've never had more issues installing an OS in my life... If anyone has any insight/solution, it would be greatly appreciated!

Answer:Windows 10 Clean Install Will NOT Recognize Hard Drive

Have you tried booting to the recovery media that you should have created by now? Did you try the list disk command in DiskPart?   

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I recently got a WD Caviar Green 3.0TB drive to replace my failed 320GB "portable" external. I got a case with it's own power source & USB interface, which works fine on my girlfriend's (Vista) computer, but my computer (running XP with sp3) refuses to connect to it. The installation software that came with the case is only good up to Windows 98 (I know, right??), so that's no help either.


Answer:Solved: Windows XP won't recognize my external hard drive

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Hello all! I'm really hoping someone here can help me out with a problem, because it's driving me insane.

I just put together a new computer. Older hard drive (80GB IDE -- I'll replace that when I have money), but new CPU (Athlon II), memory (2GB DDR3), and motherboard (Gigabyte MA74GM-S2). The hard drive is slave to a master DVD-ROM.

Upon booting, the machine POSTs fine, both hard drive and DVD drive are recognized accurately.

Here's the problem. If I put in my Windows 7 Home Premium DVD, and try to install, it'll tell me it doesn't see any drives to install to. I get the Load Driver option and the Refresh option, with nothing in the box.

If I put in my Ubuntu CD, it boots up fine, sees the hard drive there, it'll even install to it without a hitch.

So, what are my options here, what can I do? Am I stuck with Ubuntu forever? I just want Windows 7 to install. I know it can, I had it installed on this very hard drive until this morning. What was my mistake, what am I missing?

Answer:Windows 7 Setup DVD won't recognize my hard drive; Ubuntu will.

If there is a linux partition will have to be deleted.the hdd set to master and the romdrive slave. Also the linux mbr will have to be removed and a windows mbr written to the hdd .Tools required partitioning tool

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My HP 510 - P024 does not find my WD 2.0TB Sata /64 cache WD 20Purx  WD Purple surveiillance hard drive. I think I was  close to get a drive assingned for it the other day and I left the page with the info. and I cannot get back to that page . But this is Windows 10 and this is nothing like windows 7 . This is a WD Purple surveillance hard drive . I got this on Ebay and when it stopped I emailed the buyer and he said to take it out of the metal box and connect it to a working PC with USB and I do this but cannot find it . I have been there where it says to right click and format the device .Maybe somebody can figure this out I cannot . Gene

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I"ve had a Simpletech external hard drive for a few years now, and it's worked great on every computer that's had Windows XP (it's a plug and play). However, I just bought a new laptop with Windows 7, and when I tried to plug it in to the USB port on it, it just told me "USB device not recognized." The power light comes on, too. This is a brand new computer, so I'm not taking it apart to reassemble anything, and the external HD still works fine on my XP computers, so I know it has to be something about Windows 7 it doesn't like.


Answer:Windows 7 doesn't recognize my external hard drive

Check your device manager and make sure that your USB drivers are up to date...

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Need some help here. Was attempting my first re installation of Windows XP Home on my brothers Dell Inspiron 1100 Laptop.

Went into the BIOS and set boot order to 1. CD/DVD Drive, then used the factory disk that came with the unit.

Booted from the disk drive just fine. Chose to install windows by pressing "Enter", deleted the D:\ partition and failed to delete the C:\ partition on the hard disk before starting NTFS (quick) formatting, but didn't realize that til after the reformatting ended at 100% saying that it had 'failed due to a corrupt or damaged disk.'

Now windows install doesn't recognize the hard drive to install Windows XP on to.


Answer:Windows Install doesn't recognize hard drive

You "formatted the disk"? You mean the factory disk that you used to restore the computer in the first place? And sorry...I really don't have any advice...I'm a noob with computers. xD

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I have a HP Envy 4 Ultrabook and I want to install Windows 8 from scratch, I put the installation files on a flash drive from a DVD of Win 8 I had, but when I go to install it, it says the "We couldn't find any drives". I have tried using DiskPart within the CMD as well, but it only finds my flash drive when I run list disk. Also, my drives are completely formatted, and I accidentally wiped the recovery partition. I tried with a USB of Win 8 Pro, and it was fine, showing all of my drives correctly, but that version is linked to another PC, so I can't install it. Also, I booted into a Linux Mint live CD and tried to install it, it sees my hard drive correctly, but the Windows install does not, I can't figure this out, never encountered it before. Is Linux my only option at this point?

Answer:Windows 8 Core installation won't recognize my Hard Drive

Have you made the OEM manufacturer's Recovery Disks?


We always assume you have made your Recovery Disks using the OEM manufacturer's Recovery Media Creator app the first day you had your new PC.
& made the Startup Repair CD. (Windows 8 only)
Recovery Drive - Create with USB Flash Drive in Windows 8
System Repair Disc - Create in Windows 8 (Windows 8 only)

I would recommend you making the OEM manufacturer's Recovery DVD's or USB drive.
You can order the Microsoft official OEM Recovery disks from the OEM manufacturer's website.

You can order the Microsoft official HP/Compaq OEM Recovery disks from the HP/Compaq OEM manufacturer's website.
How Do I Order or Download System Recovery Software? - YouTube

How to Make Recovery DVD
Creating System Recovery Discs in Windows 8 for HP Computers - YouTube
Creating a Recovery Image on Discs or Saving a Recovery Image to a USB Flash Drive (Windows 8) | HP? Support

Using Recovery.
Performing an HP System Recovery on an HP Notebook with Windows 8 - YouTube
Performing an HP System Recovery on an HP Desktop PC with Windows 8 - YouTube

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My HP dv5000 Pavilion Notebook is failing to recognize the internal CD-ROM drive. This is a recent problem, the drive was working properly less than a week ago. The device manager shows no option for the drive as well as the system information in the HP help center has the drive listed as not being installed. I have go so far as checking the BIOS (Phoenix edition) for the drive but am unable to locate the option to check if the drive is enabled. I fully understand the risk and danger in entering the BIOS, hence why I am seeking advice from those who are more knowledgeable. I have tried calling the HP support center for assistance; needless to say they were of no help. The individual I spoke to had even less knowledge of computers than I do and even less of how to help solve my problem.

If there is anyone able to help I would greatly appreciate it, thank you.

Answer:My HP dv5000 Pavilion Notebook is failing to recognize the internal CD-ROM drive.

If Device Manager doesn't even show the drive there is a good chance that it has died. You can look in BIOS. In a Phoenix BIOS where you usually want to look is under Main. You should see your HD and maybe the CD drive. Settings should be on auto. If the CD drive isn't there it probably needs replacing. With a laptop you could take the drive out and put it back in to make sure you have a good connection.

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Good evening all

As stated in the title, i often (mostly always at this point) cannot see my multiple internal hard drives, except for the primary.

The system is old - I'm using a Gigabyte P35 DS3L purchased in 2007. I've upgraded the CPU, and video card to close to the top of the line as far as this old system can go.

Therefore, I've got two theories:

1. Power Supply can't handle all the additional hard drives
2. Motherboard is on its way out.

I don't use the computer for anything more than light browsing, bill paying , so if I can avoid getting a whole new system that is great. Its still lightning fast for things like that considering that I put in a SSD hard drive, E8600 CPU, and 9800 GTX+ video card. I used to play games but not anymore.

Please assist in any way possible.

I am fully aware that modern systems would blow mine away in any conceivable metric but it works like a charm for simple things and is still free.

Answer:Windows 7 PC Sometimes loses second, third, fourth internal hard drive

It may not be the power supply and motherboard.

Check this;

Drive Letter - Add, Change, or Remove in Windows[2]=Hardware%20and%20Drivers

You may need to monitor each and every HDD(s) to see anything missed.

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I don't want this showing in taskbar. I know it is considered normal for AHCI Sata 3 drives

Answer:windows 7 64 bit treats internal hard drive as removable

When I had the same problem, I realized I had connected the hdd to the removable(external) port on MOBO.

I changed it and problem solved.

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How do I assign a letter to a new internal hard drive?(windows 7)
Hello. I have 64 bit Windows 7 with AHCI. Everything has been working well.

I recently purchased a new internal hard drive and I connected it to a SATA port on my motherboard. When I turned the computer on it told me that it recognized the drive and successfully loaded the correct driver(or something like that).

However, when I go into explorer I do not see this drive listed with a letter.

Also, when I go into disk management this drive appears as "disk 0" without a letter. How do I give it a letter? I have tried a few things(such as right clicking on disk 0), but nothing seems to give me the option of assigning a letter.




Answer:How do I assign a letter to a new internal hard drive?(windows 7)

You still need to format the drive. Go into admin tools, and computer management like you did. There you can format/partition the drive, then it will show up as a letter.

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I have gaming laptop from Msi that lasted less than a year. I believe that my hard drive is badly made due to the laptops being mas produced. I also have two other built in hard drives that are not being used,I'm wondering how I can deactivate the faulty hard drive and run win 7 on one of the other hard drives. please help me!

Answer:How can I change which internal hard drive runs windows 7?

Hi and welcome to SevenForums.

I'm not sure I understand. These two internal hard disks are in another computer? What operating system is running on this other computer?

Be aware that you can't transfer the MSI Windows installation to another computer for two reasons:

1. It probably won't run.
2. Microsoft does not allow transfer of OEM licenses between computers.

Also, please fill out your system specs completely, so that we can help you better.

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This is my first post so please excuse my tech knowledge.My son;s computer is running a rather small hard drive (15 gigs) so I decided to replace it with a 40gig hard drive (seagate brand) I re-formatted the drive that went ok. The computer rebooted and prepared to start the window XP install.The Windows logo screen appeared then dissappeared and a blue screen appeared telling me that to prevent damage to the computer it would now shut down.I re-tried the procedure a few more times with the same result.I then installed the same hard drive on my personal computer went through the same formatting procedure and it then proceded to instal windows XP without a problem. I tested the windows install by playing windows games (such as solitaire) opening different screens all without a problem.I then re-installed the drive in my son's computer,it looked like it would start up but it just reverted back to the start up screen over and over.Can any one out there have any ideas. I am using a genunine copy of windows XP.

Answer:Formatting internal Hard Drive and installing Windows XP

If this is an IDE hard drive, is the jumper on the back of the drive set correctly?

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I have a hard drive enclosure that was made by Sabrent that is currently not in use. I purchased it earlier this year from (See [Date accessed: 03-14-2015 @ 7:36 PM]). I have a 4TB SATA Internal Hard drive that is currently not in use. I purchased it earlier this year from (See [Date accessed: 03-14-2015 @ 7:38 PM]). My question to you is will this SATA Hard Drive, inside the hard drive enclosure, work with my Windows XP Operating system. I also have a 2 TB Hard Driving made by Western Digital somewhere in my house.

Please keep in mind that my motherboard model number is NF4UL-A9. I purchased it from this website earlier this year:

Biostar NF4UL-A9 Socket 939, AMD Motherboard
(Date accessed: 01-27-2015 @ 11:52 AM)
(Search engine used:

The motherboard above was made on or around 2004. I have 4GB (however, it only shows 3.2 GB because it is 32-bit) of RAM installed on that motherboard.

In general, I have two computers. I have the NF4UL-A9 desktop. In addition, I have a HP Pavillion Laptop (Model Number dv7-6b32us) that I purchased in December 2011. It has Windows 7 Ultimate Operating System.

Answer:Will a 4 TB Internal/External hard Drive work with Windows XP?

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I recently bought a new computer with pre-installed Windows 7 Home Premium. The HDD inside is supposed to be 1TB but Windows only shows 55gb available, of which over half is already in use. I checked from BIOS and it recognizes the drive as 1000gb. I've searched all kinds of forums and DIY -tips but haven't been able to find anything useful. I'd call customer support but it's a holiday today in my country and all the places are closed, so I wondered if anyone of you guys could help. If not I'll call tomorrow.

Thanks in advance

Answer:Windows doesn't recognize full capacity of hard drive

Open start menu and type in disk management, hit ok.

Please post a screenshot of it.
Screenshots and Files - Upload and Post in Seven Forums

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Hi everyone I have another problem A couple of months back I bought a External IDE hard drive caddy which is called Hi Point smart mobile storage. This afternoon it started giving me a problem, I went to switch it on and the computer would not recognize it but it will find it and display the hard drive as unallocated when I know the hard drive is in perfect condition and I have a lot of songs on it. But about 4-6 hours later I tried again and then it says it cannot load the driver software. IF this is any help as well there is a blue and red light on the caddy blue for power and red for hard disk activity the red light is always on it will not go off. I have tried lots of hard drives seagate, Maxtor, western digital and it still does the same. Please can you help. I hope it is not a hard drive problem.Also my punctuation is not very good I am sorry about that.David.

Answer:Windows vista can't recognize external hard drive caddy

I'd say, you need a new enclosure.Similar thing happened to me and it was just dead/malfunctioning enclosure.

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Hey all,

I switched to Windows 7 a couple of months ago and I haven't had any problems. However, today I tried to connect my Seagate Freeagent external hard drive, its a 320 GB eSATA drive with USB 2.0 and my laptop doesn't recognize it. It always worked before when I had Windows Vista. I tried to use Disk Management to see the if I could find the drive, but its not there, I've also used partition wizard home edition. Essentially I've run out of ideas and was wondering if anyone could help me out. Thanks in advance!

Answer:Solved: Windows 7 doesn't recognize external hard drive

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I recently attempted to add a hard drive to my Lenovo W520 laptop using a CD/DVD caddy accessory designed to hold a SATA hard drive.

Windows recognized the new device and according to its messages, automatically installed the required device drivers. However, when I go into Windows Explorer, the new drive is nowhere to be found.

Now, I know (or at least assume) this new drive probably needs to be formatted, but shouldn't it show up within Windows Explorer even in a pre-formatted state?

If anyone can give me a clue as to what the problem might be, that'd be great.


Answer:Windows Explorer doesn't recognize added Hard Drive

No, it should show up in Disk Management to initialize and/or format, but until given a letter it will not show up in Explorer. Drive Letter - Add, Change, or Remove in Windows 7 - Windows 7 Forums

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I'm trying to install my own copy of Windows 7 to my Y460P.  I have removed the RapidDrive SSD because it causes nothing but trouble. I have also set the harddrive for bootable in the BIOS.  However, the Windows 7 Installer errors on the disk partitioning screen that "Windows cannot be installed to this disk.  The computer's hardware may not support booting to this disk.  ensure that the disk's controller is enabled in the compouter's BIOS menu". I have run diskpart to delete all partitions, clean the disk and create a new, active partition.  Yet still no luck.  Confirmed multiple times that the disk is set to bootable in the BIOS.  Even added every single device from the excluded list to the allowed list with no luck.  The disk is recognized, so it does not appear to be a driver issue. What does it take to get a clean install of Windows on to this thing?

Answer:Y460P: Windows 7 Install does not recognize the hard drive as bootable

try to change ide/sata settings in bios.

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Hello and i thank you all for your help in advance. I've found other threads with some solutions to my issue but my computer does not have a floppy drive so i cannot solve this problem via that route.

I have an Asus EEE 1005ha laptop and the hard drive failed. I just bought a new SATA 500gb hard drive and did the physical install, but now when I try to install my original Windows XP service pack 3 re-installation disk and i start running through the installation process, Windows is not letting me select any hard drive to install the operating system on. It says there is no hard drive present. It will eventually prompt me to hit F6 to select drivers so i can property do the install but anything i select from the list is prompting me to insert the re-installation disk into the floppy drive (which i have none), and then i am forced to restart the entire process.

I've read other posts that i would need to get the proper drivers loaded onto a floppy in order to move forward so Windows can see the drive. How do i get around this without a floppy? I tried loading the files I think i needed from the ASUS website onto a flash drive but windows will not recognize this drive when i plug it in. I am fairly knowledgeable with PC's but this is obviously too big a problem for me to get past.

PLEASE HELP!!! Thank you.

Answer:Solved: Windows xp wont recognize sata hard drive

If you have a Retail (not OEM) copy of windows you could Slipstream the drivers into the installtion disc. You can download nLite here the guides for creating the slipstream disc on on the webage as well.

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Good Evening,

I've run out of options as I am only fairly tech savvy, I can put stuff together but if I run into issues with my hardware that seems bios related im at a bit of a loss, so I apologize if this ends up being simple but ive been tweaking stuff for hours.

AMD FX-6350 Vishera 3.9GHz Socket AM3+ 125W Desktop Processor FD6350FRHKBOX

EVGA 04G-P4-2768-KR GeForce GTX 760 4GB 256-Bit GDDR5 PCI Express 3.0 SLI Support SC 4GB w/ EVGA ACX Cooler Video Card

G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-16GXM

I kept my existing Western Digital 1TB SATA Hard Drive and my 730W Power Supply from my old set up. Everything powers on great, but my windows file seemed corrupted as I could not load, and no repairs seemed successful. I had nothing worth savings so that's okay, I popped in an install disc of Windows 7 PRO 64Bit and when I attempt to install on my petition I formatted I get the error of "Windows cannot be installed to this disk. This computer's hardware may not suport booting to this disk. Ensure that the disk's controller is enabled in the computer's BIOS menu." I researched that and I find that most people say try having BIOS in AHCI mode. I have tried that, RAID, and my other option, and all fail to give me anything different.

If anyone has any clues as to what I can tweak or why I cant see to get this sucker to install, that would be amazing, I was so... Read more

Answer:New internal components, WD Hard Drive Wont install Windows 7

Hello Kadart. Welcome to the forum.

I assume you are using the same motherboard?
When you change the processor on a motherboard it is necessary to perform a Clear CMOS procedure to refresh the checksum.

Clear CMOS (CLRTC) Procedure
Note all your current BIOS settings
Shut down the computer > remove the power cord.
Remove the 3v battery.
Move the CLRTC jumper from pins 1-2 to 2-3.
Touch a metal part of the case and Press and Hold the reset button for approx. 30 seconds to discharge all power from the board.
Put the CLRTC jumper back on pins 1-2.
Replace the 3v battery > replace the power cord > boot.
Immediately go back into BIOS and reset all your preferred settings. If the CLRTC worked you will need to reset the date and time in BIOS.

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Hello! I have an internal WD 750GB "green" SATA hard drive. I took the hard drive out of the computer and have put it into an external USB hard drive bay. However: when I plug the external hard drive bay into my laptop, windows recognizes the drive (including the correct model number) but says I need to format it before I can use it.

The drive is allocated a letter in "My computer", but if I try to enter the drive it asks whether I want to format.

The drive also appears in the Device Manager (but with no partition shown). I can click on a "populate" button and it then shows a partition with the correct volume size but this doesn't solve the problem.

I've also checked the disk by going Control Panel -> Administrative Tools -> Computer Management -> Disk Management and it shows the drive as being a "RAW" partition which is not correct.

I am running Windows XP but I also get similar problems when I check on a different laptop with Windows 7.

I've tried the external hard drive bay with 2 different drives and the same problem occurs so hopefully the drives themselves are OK (I can't check them in a different computer for now unfortunately). The drives appear to spin up OK.

I would prefer to avoid formatting the drive as it has data on it. I do have a copy of the data at home (in a different continent!) but would prefer to avoid waiting until I next go home.

Any idea what the problem could be? I wonder ... Read more

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So my 1 TB internal hard drive has less than 30 GB of space and I want to upgrade to a 2 TB internal so I can hold more of my games on it. How would I be able to transfer every single thing from the 1 TB to the 2 TB?

Answer:Help Upgrading 1 TB Internal to 2 TB Internal Hard Drive

Assuming this is for a desktop, you would plug in the new HDD into the sata port on your motherboard, amd make sure it is getting power from the PSU, and win7 should recognize it and mount it. You then make sure its has the NTFS file system and you can drag and drop from one drive to the other. Or use a program to copy over files like teracopy. I use teracopy because it keeps exact listing of what is being copied and exact info about size. Now as far as transferring games, I may be wrong but I think you would have to reinstall the game into the larger drive if you wanted to make use of the 2tb drive. I am not a big gamer so take my game advice with a bit of salt, I am simply trying my best to help you out

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Hi Everybody, I have had my T410s for 9 months and I love it. No problems at all. I was a contractor so I could use whatever laptop I wanted. Now I work for a big company that issued me a Thinkpad T410 with Windows XP. Now the T410 model has a huge heavy battery compared to the T410s. An ex-colleague of mine used to have a T60p with 2 internal Hard Drives one with Windows XP and one with Windows 7, and he could boot the computer with the Hard Drive of choice. Does anybody know how to do that? I already got the bay and the Windows XP Hard Drive inside the T410s. Thank you in advance Nicky

Answer:T410s with Windows 7 and additional internal Hard Drive with Windows XP. How do I make them work?

You hit F12 at boot and it allows you to select between HDD0 and HDD1. I'm pretty sure HDD0 is the internal, and HDD1 is the UltraBay. I'm certain you will have a fair bit of driver issues if the T410 and T410s have different hardware, especially on XP.

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I decided to do a clean install of windows and formatted the hard drive after backing up any data I wanted to keep. When I put the hard drive back and tried to install windows, it took me several hours monkeying around in the BIOS to even get the hard drive recognized, switching back and forth between UEFI and Legacy, and trying to change other settings to see if it would help.

At one point the drive did show up but windows wouldn't install because the current settings at the time required the disk to be MBR instead of GPT. I converted it to MBR on another computer by pulling out the drive and using an enclosure and then putting it back in the original laptop, and when I put it back in it did look like it was going to allow me to install, but I had to call it quits at that point because I had to leave.

When I came back, surprise surprise, the hard drive couldn't be seen in BIOS anymore and I ended up having to install windows to an M.2 drive I had, but I need my primary hard drive to be recognized and used as the boot device.

I don't know what other relevant info to include so let me know if there's something I need to divulge.

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i have having issues with my laptop. i have windows server on it, and it wont recognize my western digital MY Book 320 gb external hard drive. i dont know why it does that. but when ever i plug in a thumb drive, it reads it. i wanna hook it up to my external hard drive so i can back up data so that i can remove Windoes server and install XP pro. but it doesnt let me back up. what should i do?? any body else heard of this kind of problem?? any help would be appreciated. thanks a lot

Answer:windows server 2003 wont recognize my external usb hard drive

I have Windows Advance server 2000 running on my P3, but what made you want to put it on your laptop?
Anyway Windows Server OS's dont have the similar drivers and applications running as XP or Vista..... but you can try plugging the Ex Hard drive and then reboot the laptop to get it recognized.

Does the Ex Harddrive have 2 Usb that plug in without AC power or does it have just 1 usb and additional power that comes from the outlet?

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I see it can be done from an installed to an external, but can it be done in reverse, taking the external cased hard drive and cloning it to an internal? The old hard drive is from an xp laptop, and I can aquire another xp laptop if I can clone this way. Perhaps if I set the enclosure hard drive as master? All ideas are greatly appreciated. Many thanks

Answer:Clone a laptop hard drive from an external case to an internal hard drive

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Hi all,
I am attempting to install Win7 in an Inspiron 1545 with a new SATA hard drive that was purchased. When i insert the drive, I get "Internal Hard Disk Drive Not Found." I have verified the drive is not showing in the BIOS, I've already attempted to reseat the drive several times. In addition, I've attempted to load the chipset drivers, SATA drivers, etc from Dells website, the drive still does not show in the OS install when booting to DVD or in bios.
I dont believe it to be an issue with the new drive, as I plugged the new drive into another model Dell laptop and it recognizes the drive fine in BIOS, also I can still boot to the previous hard drive in this laptop without issue when i plug it back in.
Is there a specific driver, etc that I need to use for the drive to be recognized or other thoughts people have?

Answer:Inspiron 1545- replacing hard drive, new SATA drive not found "Internal Hard Disk Drive Not Found

This is strange - either the new hard drive has a rare compatibility issue with your onboard controller (I use a 500Gbyte in my 1545 without probs)) or it is a mechanical problem.I would take a close look at the physical dimensions and compare your original hdd with the new one.Watch the video (even though it's about a 1525 (similar to an 1545) and an SSD hdd) -  go to 2:20

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In windows 7 my external hard drive does not show as a back up location.  When I go to system image, the box for what items I want to back up also has the ext drive checked. I do not want to back up the external hard drive but it will not uncheck.,
(faded lettering) I believe this is why I cannot back up my computer to it.  How do I get the back up from including the external hard drive? <input id="39f7f89d-082d-4e34-8bd3-a03da4f8d21c_attachments" type="hidden" value=""





0                             &nb... Read more

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I recently formatted my c drive and now i am reinstalling all the software. I keep all the setups of software in my external hard drive. For installing the software I coy the setup folder of the required software on my laptop, then install it.

Is straightaway installing the software by accessing the external hard drive okay? Does it make any difference in the installation time or any reduction in life of hard disk performance.

Or should I always install through my laptop hard drive?

I am running windows 8.1 pro

Answer:installation software from external hard drive or internal hard drive

Your method is as good as any. If it works, keep doing it.

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I recently wiped my the primary(master) disk and then restored the system using imaging software. The only obvious difference between the restored image and the original is that when I go to Start/My Computer or Windows Explorer the second drive is not recognized. On the other hand the Device Manager reads it by model no. and reflects a healthy status and Partition Magic lights it up as "Drive 2." I have tried disconnecting the slave drive and rebooting to see if I'd see a "new hardware' icon but no luck. Please tell me how I can get the thing recognized as I routinely copy backup files and can't do it if the second drive isn't seen as the folder destination. Thanks for any help.

Answer:Solved: Windows won't recognize 2'nd internal HD

Is there a partition created on the secondary drive. If not it will show in device manager but not show up in my computer. Right click my computer and choose manage. When computer management shows up click on disk management and it should show both drives. Check if there is a partition or not. If no partition is made right click on the drive and create partition.

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I have an desktop Asus with windows 7 Home premium. System has been working fine untill this morning. the CD does not display when I slect (My Computer). Also tried to bring up a dvd and nothing happens. Worked with Asus support. On the device manager the device shows location but has the Yellow error message. On trouble shooting I get ( HL-DT-ST DVDRAM GH40N ATA Device has driver problem). I tried fix it but it says no fix. We checked bios it shows there. Down loaded driver software no change. In device manager I slected unit, selected uninstalled. Restarted computer it recognized CD-Rom loaded software successvely. But still not showing. Asus support thought maybe something is not working right with windows 7.

Hope someone can help

Answer:Asus Computer/Windows 7; won't recognize internal DVD

Welcome to SevenForums:

I would try going to device manager and using update the driver tab. If that dosen't work and your sure all your cables and power are right (which it sounds like they are).
You might alsoo qwant to check and see ioif their is a firmware update.
It sounds like you have done alot already so.

I would start suspecting a failing drive. As I don't know of any Windows Seven CD/DVD drive bugs


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I have an HP dv6810us. its 7200 rpm and only has 160 gigabytes of space. I just bought a Western Digital My Book Essential 2TB external hard drive, at 7200 rpm; model: WDBAAF0020HBK-NESN. I have put ALL my movies, documents, music, pictures, and everything other than my programs and stuff that came with my computer. I only have 20 gigabytes left on my computer i was wondering how i could somehow turn my external hard drive into my internal hard drive....and how. any websites of videos that could lead me to the right place would be very helpful. i have used 140 gigs of space on my computer mostly due to the sims 3 and programs. please help!

Answer:Making an external hard drive your internal hard drive

Hang on, so if I understand you correctly you've got a 160Gb drive installed in your laptop and it's only got 20Gb free space left. So now you want to put the 2TB drive into the laptop? Sorry, but that won't work. You'll need to buy another 2.5" drive.Is the drive inside your laptop SATA or IDE?

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I had been using my Hitachi 320g external HD for 2yrs.It had not problem until yesterday I transfering some files from my Drive C to Hitachi HD when the computer hang.I unpluged the external HD and restart PC.When I pluged in the external HD again it was recognised as interrnal HD.I've problem accessing the files.The PC detected it was FAT32 since my system was NTFS and asked me to reformat my external HD.I tried connect to other PC but no different.

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I earlier posted about the Aspire AST690-UP925A having 250GB hard drive. I since then contacted Aspire chat support. Apparently, not being tech savy we didn't realize 250 gb hard drive only 112 c drive is able to be used, the d data drive holds the programs to run the computer.

I didn't mean can I use the external hard drive internally. I meant, if I hook it up externally would it work in place of the internal hard drive that is nearly full except for around 10 GB?

So, unfortunately the computer isn't as big as you believe. But...I wanted to know if I purchase (I was looking at western digital elements 2TB external hard drive). Can we use it for this computer. It will not run itunes or anything like that, but we can obviously go online.

My brother wants to buy a new computer, but I know that is probably not the way to go. Should we get an internal hard drive installed and other memory or something or can we use the external hard drive?

I would appreciate any informed help on this since we do not no technical info on computers. Can't really afford to buy another computer right now.

Thanks in advance

Answer:Can external hard drive be used for full internal hard drive?

If you want to take out the drive from external hard drive case and install it in your desktop/laptop, then usually you can. Usually external hard drives are just ordinary hard drives accompanied by some extra controller to make it able to "talk" via general ports (e.g. USB). However I am not familiar with digital elements 2TB , so I can not confirm it. But I do have WD external drive, which I had positively confirm that its real drive is just ordinary hard drive.

Note that if you decide to do this, I suggest to find experience people to work on extracting the drive. If you do it yourself you will risk to damage it, and you don't want that since usually opening the closure means voiding the warranty.

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I have an internal hard disk not in use ,and I would like to make it as external disk !
I looked on the net and I found I should have the " encelsure " butt I think I wont find it here in my city .
So is there another way ? like usb -esata cable ?

Answer:how to make your internal hard drive into and external hard drive ?

Firstly, where are you based (Which country)? I would get the part of the internet, I trust we are talking about a 3.5" drive? Do you have an esata port on your pc? I would get something similar to this, I think: - Buy CiT 35M17SEF 3.5 inch SATA / USB / Firewire / eSATA External Hard Drive Enclosure online at and read reviews. Free delivery to UK and Europe!

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Hi guys,

I'm new on any sort of forums so go easy if it's a stupid question..but here goes.

Me and my brother built me a new computer from scratch (he did the building - i did the watching).

To cut a long story short - I purchased an internal hard drive from Overclockers UK. It's a Samsung 1TB drive. I also have a 64 Solid-state drive in there as my primary hard drive that Windows was installed on and a couple of programs are installed on. My storage disk (the 1TB disk) is for all my music/films etc. Whenever I drag and drop a file into the Samsung hard-drive - it copies it rather than moves it instantly.

When I had a laptop, I had 3 external hard drives and this is the way it copied files onto them.

Does anyone know how I can get the internal drive to stop acting like an external drive?

Any help would be greatly appreciated.

Answer:Internal Hard Drive acting like an External Hard Drive

This is the way it works. I have an 80GB SSD and an internal HDD and the same happens if the file/folder is large enough. If you just copy a few MBs, you will not see the window with the green stripe running. But if e.g. you copy 500MBs, you will see it. It physically moves the data. That is different if you copy on the same volume from one folder to another. Then it only makes an entry in the MFT.

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I am unsure about what happens after you convert your internal hard drive to an external hard drive... Let's say the internal HDD was your only laptop HDD and you replaced it with a SSD. If you convert your old internal HDD to an external HDD, what would happen when you open it up on your newly installed OS (on the SSD)?

I am trying to download a new OS but us my old internal HDD as an external drive just to access specific files. However, I don't want any other data/programs/settings/etc. downloaded onto my new SSD. Do I need to delete my old OS when I convert my old internal HDD into an external HDD or does the OS simply get "reduced" to a bunch of files that I will see on my newly installed OS?

If anyone is able to clarify these questions that would be fantastic!

Answer:What happens after you convert your internal hard drive to an external hard drive?

does the OS simply get "reduced" to a bunch of files that I will see on my newly installed OS?Click to expand...

it will just be seen as a data drive and you would need to goto the directory for your data
it wont run as an OS at all

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Hi, for nearly a year now I've been using a Buffalo 500GB external hard drive.
Just yesterday though, after unplugging it from my PC, using it on another Windows 7 machine and then attempting to reconnect it the my PC, it began to show up on My Computer as a Local Disk rather than an external. In addition, when I try to access it, it gives me this message: E:\ is not accessible. The file or directory is corrupted and unreadable. My question is, is there any way to return the drive to it's original state or recover the data inside? The data is of extreme importance.
Thanks for any help.

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Relevance 59.86%

I have two WD hard drives with the OS installed on one and the other is for storage. All this started with a hard shut down when the PC froze and then after the restart Windows wouldn't boot at all. It was stuck at the Windows logo for a very long time. Then I checked in BIOS and I noticed the secondary drive was nowhere to be found.

After letting Windows run the automatic repair on the drive the drive showed up in BIOS and I could access two of the three partitions. The third partition threw me an error saying the disk structure is corrupt and unreadable when I tried to open it. In Disk Management the drive showed up as RAW format and healthy. Then I tried to backup whatever I could from the accessible partitions before everything froze.

I rebooted again and right now none of the partitions are visible in Windows and is not detected in BIOS. But in Disk Management it says the Disk 1 is unknown and has to be initialized and asks to initialize with either MBR or GPT partition styles. I've also tried running chkdsk, used EaseUS Recovery and other third party data recovery tools but none of them detect the drive anymore. The drive is however visible on HD Sentinel and it says there are bad sectors and data must be backed up immediately. Does this mean the drive is completely dead? I have over 700GB of invaluable data on it so I don't want to just give up. Any help would be greatly appreciated.

Also, I ran a prescan with HDD Regenerator and it says the MBR is corrupted ... Read more

Answer:Internal hard drive not detected in BIOS after hard shutdown.

Welcome to the TensForum @BlackIce21

Sorry to hear about drive. I think you drive is dead and even if you were to work around getting it operational again, the strain of moving 700GB will likely be a death blow.

If it were me, and the data was invaluable, I would be checking out a credible Data Recovery outfit. Good luck, no body likes losing data.

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Relevance 59.04%

I bought a larger Gig USB external drive to copy all of my files onto in case of a problem with my windows XP Pro Drive and when I try to copy or paste it over to the external drive it gets to some files and says it can not copy because they are in use and nothing is running at the time I am trying to copy everything off my computer to the external hard drive. Is there another way to do this without having to buy a program I can not afford to do on social security?

Answer:copy internal hard drive to external hard dri

What are you trying to copy, the entire HDD contents? What would be the point of that? You can't run Windows or any programs from the external drive using the copy/paste method & you can't copy windows files that are in use. If you want to create an entire backup of your system, there's plenty of free software available for just that purpose. We need an better explanation of what it is you want to do.

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Relevance 58.63%

Dell Dimension 8400 (about 3-4 years old). Stock SATA 160gb hard drive crashed (got the blue screen, all the codes, etc.) Took it to a computer place, they also said the HD crashed. I have bought a replacement 250gb SATA HD - attached the two inputs to the back (one thin and ling, one thin and short) and all I get on boot up is a couple of chirps and the screen says "Drive 1 (and 2 and 3) Not Found: Serial ATA, SATA-1" and repeats for drives two and three. The drive is warm, it's being accessed (it's humming), but I've also tried a third 160gb drive, same thing. I even replaced the original drive back in and the same thing - not even the blue screen and error codes any more.

Went to F2 set up, set to auto detect, all (SATA) drives sets to 'on.'

I'm computer literate, but not a techy or anything.

Totally lost now. Please help.

emsguy4you at aol dot com

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Relevance 58.63%

I have a Dell Inspiron 1440 using since 2010 suddenly I saw this error message "internal hard disk drive not found,to resolve this issue try to reseat the drive" when I turned it ON. Then I tested with other HDD drive from other laptop and it booted fine. Then realized that HDD was down brought a new samsung SSD 120GB drive and installed on my laptop and trying to install the Windows 7 from a CD still seeing the same error when turned ON.
Please help with this issue.
Thanks in Advance

Answer:internal hard disk drive not found,to resolve this issue try to reseat the drive.............Please help

Thanks guys!!!!!
My bad after I installed the SSD the CD that was in the DVD Drive was the Applications/Driver CD instead of Windows 7 disk. I just realized  and installed the Win7 on my new hard disk my laptop is back to normal. Thank God! I saved 500 to get the new laptop.

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Relevance 58.63%

I have a new E525 that I am trying to use with some external eSATA storage. If I boot the system with the eSATA drive attached, the internal HDD is not found and the system will not boot. I get "Fixed Disk: External Disk 0" on the diagnostic splash screen.If I boot with the eSATA drive turned off, and turn it on once the OS has booted, all is well and both internal and external drives are found.Any ideas? I have looked for a BIOS update but have not been able to find one. I've also been through most of the BIOS settings but can't see anything that looks relevant.

Answer:E525 internal hard drive not detected by BIOS when eSATA drive attached

It appears that this has something to do with the hard drive ordering. When the machine is switched on with the eSATA drive attached, eSATA becomes SATA HDD0 (presumably the internal drive becomes SATA HDD1).The only option to boot from SATA drives on the boot order menu in the BIOS is SATA HDD0, so it never tries to boot from HDD1 (now the internal drive).I can see this is useful if you WANT to boot from the eSATA, but I don't........

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Relevance 58.63%

I have a 2TB Western Digital My Book Essentials, it's filled with tons of old photos, movies, docs, games, and I'm scared to think of what else. The SATA to USB connector broke on it, so I took the drive apart and put it inside my computer. I opened up device manager because it wasn't showing up automatically and the 2TB is showing up as unallocated, I'm freaking out now because I'm scared the data was somehow deleted.

What do I do?

edit: I realize also this isn't directly related to Windows 8 (besides the fact it's the OS I'm on), but I don't know where else to post it. I'd also like to say that I had a really deep feeling the drive was going to break continually for about two weeks before it happened, so if you have a similar feeling about something, don't ignore it!

Answer:External hard drive shell broke, salvaged internal drive

As long as your hard disk is still spinning & recognized by Windows, the data in your hard disk is still there, just the File Allocation Table got corrupted, You'll have a good chance to recover your data. What you need is a data recovery program, I use this program in the past:

Data Recovery Software Products - Runtime Software Products

In the mean time, leave this hard disk alone, do not initialize or format it when Windows offers to do so.

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Relevance 58.63%

Is it possible to have pre-installed vista on your internal drive then buy a new external drive, install XP on it and then boot that drive to use XP?

Answer:Running Xp on an external hard drive with Vista installed on internal drive.

Yes this is possible as long as your BIOS supports booting from USB.

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Relevance 58.63%

I have an M90Z (non-touch) and love it.  Does anyone know if it would be possible to replace the Western Digital 320GB drive with a solid state drive? The system is great, but I do work with some pretty large database files and access time is much more important than storage capacity.  I could get by with a much smaller drive than the 320. Thanks.

Answer:M90Z..Replacing the internal drive with a solid state hard drive?

I assume it is possible.   According to the spec sheet, Lenovo offers the M90z with a SSD "For special bid only".   I love mine too.    What processor did you get? What do you use it for?  I hope you got the stand. It is so much better with it.  Here is some information I posted about the volume. If you add the SSD, come back to this thread and let us know what the performance is like.

______________________________________________________________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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Relevance 58.63%

Hello guys, I have a T400 Lenovo (2008 model). I would like to have a new HD for my laptop and I found this offer at Dell Canada: 750 GB 2.5 Inch 7200RPM Momentus XT SATA 6Gb/s 32 MB Cache Solid State Hybrid Drive Internal Hard Drive  I would like to know if I can use this internal drive (750 GB 2.5 Inch 7200RPM Momentus XT SATA 6Gb/s 32 MB Cache Solid State Hybrid Drive Internal Hard Drive) at my laptop.   Thank you very much for your time and understanding.Have a nice Day! 


Go to Solution.

Answer:750 GB 2.5 Inch 7200RPM Momentus XT Solid State Hybrid Drive Internal Hard Drive

There isn't a simple answer. This drive has 4K sectors, (advanced format) so the answer (yes/no) depends on what operating system and service packs you are running and how you intend to load your OS/data to the new drive

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Relevance 58.63%

I bought a Y560 laptop October 2010 with 32GB SSD / 500GB HDD because of it's promotion of this new rapid drive technology in Hong Kong, and everything goes fine for few months. Last week, I powered my laptop normally but the windows loads to the repair screen automatically. After self-restart, "Operating System not found" is shown and no further operation. Then I tried to use Onekey recovery to rescue my OS, but after I knew all data would be initialized after using, I chose not to continue and tried to plug out the hard drive and restore my data via other computer in accordance to the Lenovo's suggestion. Unfortunately, the major partition was not readable by windows. The next day, I brought it to the service centre, and asked them how can I rescue my data. They said the same procedure that I've did that unplugging my hard drive and copying my data via other computer. Of course, I've told them I've performed the same task and still not work and asked them to demonstrate for me, but they said they haven't got any spare machine to do demonstration. After that, they tried to repair my laptop with windows installation disk, but I've questioned them there is a notice that to use Onekey recovery to perform system maintenance, they replied that is a standard procedure of repairing services. 3 Hours after, I still could not get the corresponding answer how can I rescue my data from my hard drive and got these responses: 1. Rapid Drive Technology is develope... Read more

Answer:Lenovo Y560 Rapid Drive Problem - Never store any files in your internal hard drive

so, could you state more simplier where is your data and what do you want to do with it?

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Relevance 58.22%

I have Vista Home Premium with two 320 GB internal hard drives © & (E). I am trying to put Vista on drive E and upgrade to Windows 7 on drive C.
I had successfully cloned the drive C of Vista onto an external hard drive and copied it to drive E (the second internal hard drive). When I copied the cloned copy of Vista to drive E, the system changed the drive letter to L. Everything was working fine and I could boot into either C or L.
In a fit of neatness I guess, I decided that I would like to have the newly labeled drive L designated as drive E again and changed it to drive E in "Disk Management" while I was booted into drive C.
Now I am unable to boot into the second internal drive. I just get a blank screen. I can get "Task Manager" but nothing else, not even the "Start" icon.
I booted back into C and changed the drive back to L, but that didn't work either.
I tried to boot the second internal drive in Safe Mode, but just got a blank screen, without the start icon.
I tried restoring to a previous date, but that wouldn't work and it only restores C anyway.
When I'm booted in drive C, it shows the second internal drive L and shows all the files and programs that should be on drive L.
How do I get the drive restored so I can boot into it?
Thanks to anyone that can help.

Answer:can't boot to second internal hard drive after changing drive letter

I don't know if this helps, but is drive L still marked as an "active" partition in disk management?  When you right click the partition the option should be there to do so if it is not marked as such. 

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Relevance 58.22%

I am trying to upgrade my hard drive and clone the old one to it in my X201. I have been told that I need to first replace the old hard drive with the new one, then boot off the old one via USB. I can then clone the old one to the new one. When inside the system, my hard drive boots just fine. However, when I hook up the hard drive externally and boot from it, it gets to the Windows logo then blue screens very quickly and reboots. Your suggestions are much appreciated.

Answer:When internal, hard drive will boot just fine. When USB, hard drive will not boot (blue screen)

I had the same issue when upgraded HDD to SSD in my x220. I think it's Lenovo hidden partittion related behavior (System_DRV in my case). And MBR of course. Just swap the drives and clone the old HDD to the new one.

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