Computer Support Forum

Seagate External Hard Drive shows up in Device Manager, but not Disk Management.

Question: Seagate External Hard Drive shows up in Device Manager, but not Disk Management.

I have a problem with a new external hard drive I bought. In Windows XP, it appears as "Seagate Expansion Desk USB Drive" under Disk Drives in Device Manager, but it doesn't appear in Disk Management, where all the drives are listed. It also doesn't appear in My Computer. How can I allocate it a drive letter so I can use it? My drives go up to K, so it should be allocated L drive. Any help would be appreciated.

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Preferred Solution: Seagate External Hard Drive shows up in Device Manager, but not Disk Management.

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Answer: Seagate External Hard Drive shows up in Device Manager, but not Disk Management.

Attach the drive to a different usb port. Open a command prompt. Type
list disk
Copy and paste the result. You can do this by clicking the icon of a monitor in the menu bar Edit > Select All. Edit > Copy. Right click in your post > Paste.

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I have an external hard drive that wasn't showing up anywhere on my computer, so I replaced the hard drive case and now the external hard drive is found in device manager, but not in disk management or my computer. I am running windows 8, and there is data on the external hard drive that I would like to have access to.

The disk drive that is in the case is a Samsung HD103SI

I have used the rescan command in disk management. It showed as Disk 2 Unknown and not initialized. (Please note this is not a new disk and it has data on it that I am hoping to retrieve).

Some information that might help:

The system is:
LENOVO 90B70019US Lenovo H50-50

Using Belarc Advisor the drives show as:
MATSHITA DVD-RAM SW840 [Optical drive]

ASMT 2115 USB Device [Hard drive] -- drive 2, s/n 00000000000000000000
ST1000DM003-1ER162 [Hard drive] (1000.20 GB) -- drive 0, SMART Status: Healthy
WDC WD10EZEX-60M2NA0 [Hard drive] (1000.20 GB) -- drive 1, SMART Status: Healthy

Any help would be greatly appreciated. Thank you

Answer:External Disk Drive Shows Up In Device Manager, But Not In My Computer Or Disk Management

Just to be sure...
Is the replacement HDD case USB powered?

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I have a WDC 3TB Hard drive in my Computer along with a 120GB SSD in it as well. It is custom built from scratch, this may or may not be the reason since it is my first build. My computer recognizes that both drives are working in the computer, it the BIOS and in Device Management, but in Disk Manager only my SSD shows up, I want to get my Hard drive to appear so I can store stuff on it because my SSD is just about full. I've looked and researched a lot and I cant find a solution anywhere, please help!

Answer:Internal Hard Drive Shows Up In Device Manager, But No Where In Disk Management

Hi GundyGunner and welcome to PCHF

We need more information about your computer, such as:

Motherboard information
CPU information
RAM information


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Windows 10 disk management shows external hard drive twice.
How to fix?

Answer:Disk Management shows external Hard Drive twice

Can we have some screenshot? Which version of Windows 10 are you using? ( To check, press Win+R and enter "winver")

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I have a Western Digital 250 GB external HD that had been working perfectly until yesterday afternoon. It has been making this repetitive whirring noise *not the clicking noise of death* and it died before I had a chance to copy the data onto another external. When I plug in the USB it makes the connection noise, but autoplay does not come up and it does not show up in my computer anymore. I did look in device manager and disk management and it does show up but it had no drive letter and it says unreadable. (I've attached a screenshot of this)

Is there any way I can recover the data off of it? Should I just take it out of the enclosure and hook it up to a desktop pc?

Answer:External hard drive broken shows up in device manager but not My Computer

It sounds like the drive itself is dead rather than the enclosure. The repetitive 'whirring' noise likely is immediately following the click of death, just the click is pretty quiet on a lot of notebook drives. If yours is a full size (3.5") drive in that enclosure, then perhaps you are right and the click of death isn't occurring.

In either case, its not going to hurt to hook it up internally, because even if it doesn't work you aren't any worse off than you are now.

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I have a Seagate 2TB HDD ST2000DM001, I run my OS (Win8) on my SSD (OCZ vector 128GB) so this is for storage but for some reason it's not showing up in disk management, it does however show up in HD tune, bios and device manager but not disk management
I am running really low for space on my SSD (8GB left) so I really need this fixed, I'm almost even willing to pay the first person who can help me fix it. If pictures would help let me know

Everything appears to be fine but my HDD won't show up if my SSD is plugged in (in the bios) or rather doesn't seem like I can use both at the same time and can't boot from my HDD

I found this, the sold icon says the device is working properly, the ghost looking icon says the device is not connected to the computer however the ghost icon comes and goes.

If I set the 1st boot as my HDD then I can see it as a boot option however it disappears if I change it to my SSD. I assume I can't boot from my HDD because it's not formatted?

This is my build if this helps at all
CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler
Thermal Compound: Arctic Cooling MX-2 4g Thermal Paste
Motherboard: MSI Z77 MPOWER ATX LGA1155 Motherboard
Memory: G.Skill Sniper Series 16GB (2 x 8GB) DDR3-1866 Memory
Storage: OCZ Vector Series 128GB 2.5" Solid State Disk
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Interna... Read more

Answer:Internal Seagate 2TB HDD appears in bios and device manager but not disk management

Re: Internal Seagate 2TB HDD appears in bios and device manager but not disk manageme

Some things to try, but I have never run into this...
1) Shut down, read mother board manual about sata ports and priority
2) try new port, be sure to scan for hardware changes in device manager
3) shut down, hook sata cables to ALL your unused ports. Boot Windows and at the desktop plug drive in one cable at a time, sata is hot swap. Give each try at least one minute. Post what happens.
4) try the drive in another computer, format it there and try again
5) Haunt the Win8 forums (probably not going to find anything)

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Well, i'm getting riiiigggghhhhh at the end of my tether here

I'm running a Toshiba Laptop 2.8ghz
512 mb of ram
BIOS: Toshiba version 1.8 (updated)
Windows XP professional SP2

Right, so i purchased a Western Digital 200gb hard drive and mounted it onto an external case with USB 2.0. This external case has a 12+ volt adapter with 1.5am (max 18W) . The hard drive is set on Master.

(note: i have anoter USB 2.0 80gb seagate drive that works like a charm, connected to same computer)

Here is the problem, i connect up the 200gb HD to one of my ports. THe computer happily runs that new USB mass storage device says hello. Then everything goes to hell. I opened up explorer expecting my lovely new HD to appear. Uh oh, this is goign to be one of those long days (week really).

I opened up disk management expecting to find it there and only needing a new drive letter assigned, but nope the new HD is not there, just the two i already have (internal, and external 80gb). Its as if my computer refuses to acknowledge it

Next i go to device manager and lo and behold there is a new entry under disk drives that says "Disk Drive" So here i'm thinking what the heck is going on?

I contact Western Digital demanding nicely for an explanation. We go through all the usual basics and crap ie viruses, spyware and drivers.
All drivers are up to spec USB 2.0, Xp SP2, and as far as i know there are no specific drivers for Western Digital hard disks, only the... Read more

Answer:200gb hard drive visible in Device manager, not disk management.

take it easy, there's nothing wrong with your computer. the hard drive case needs it's own drivers or you'll have to return it and get a different (and possibly better) one.

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i had an old notebook with an overheating problem that I thought I had fixed, so I transferred all my music and picture files to it. then the problem recurred and the computer won't reboot. So I pulled the hard drive and put it in an enclosure I've used before, and am working through trying to get it recognized by my new notebook as an external hard drive.

Device Manager recognizes the drive and indicates that it is working properly, and it appears in Disk Management as well. However, in Disk Management, it shows as Disk 2; Unknown; Not Initialized. When I attempt to initialize it, I get the error "The request could not be performed because of an I/O device error."

I've tried to initialize it as MBR and GPT, with no luck, and I've checked the device drivers to make sure they're up to date (they are).

What else can I try? I will try anything, but if it's hopeless, I need to know that too. I just don't want to give up if there's a chance!


Answer:i/o device error when initializing external hard drive in disk management

How is it powered? It is possible that the enclosure does not supply enough power for that drive. Can you connect it internally?

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few days back i have completely formated my hard disk with the help of seagate seatool.Then i have installed windows xp sp3. i have made 4 partitions at that time ie. c,d,e,f. After that i have installed windows 7 now i cant see my hdd in disk management or in device manager. both device manager & disk management are showing me my external drives like pen drive. so what may be the problem. plz help me.

Answer:cant see hard drives in disk management or in device manager.

Can you post a screen shot Disk management & Device manager?

Screenshot tools.
Screenshot with Paint
Screenshot and Upload using MWSnap
Fscapture free download

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I have an external device that allows you to read IDE hard drives via a USB port.

I have five different hard drives that I've tried to read with this device.

Each time, the computer (running Windows XP) recognizes the USB device by plug and play, says "new device found: hard disk" and then says "your device is ready to use". And each time, the hard drive DOES show up in device management under disk drives, and says "the device is working properly." Try updating the driver, says the driver is up to date.

BUT it does NOT show up in windows explorer nor in disk management.

I've tried each hard drive on two different computers, and get the same problem each time.

I've tried restarting the computer, no luck.

I've done searches on the internet for this problem and apparently it's a known issue but nobody knows what to do.

Any ideas?

Answer:hard drive shows in device management, not in explorer

From the way you described it to me it sounds like it's probably going to be an issue with the device you are using to read the IDE drives. What is the brand and model number of it? I'm thinking that the device is either faulty, or like you suspected the drivers for it are poop.

Do a google search on the device brand name and model number to see if you can come up with new drivers for it.

When / where did you purchase the device?

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I have an external 15gb drive I'm trying to get some old files off of and I only have my laptop so I'm using an external enclosure. I can use it with other drives perfectly but I can't access the volumes from within my OS (Windows) on this drive.

Answer:External drive shows up in disk management but doesn't moutn a volume

Are you getting any error messages??

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so i got my new 4tb hard drive today from new eggs but it is not showing up in windows whats so ever and the first thing i noticed is that the hard drive makes a gear noise and then beeps and it shows up in the bios
but nothing in the device manager and or disk management. im about to get a replacement unless someone can help me fix it i have 30 days to contact them.

Answer:Hard Drive Shows in bios but not disk management

If the drive is making grinding noises then apply for an RMA from Newegg

you can try using GParted to format the drive to an NTFS partition
GParted -- A free application for graphically managing disk device partitions

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What would cause a such a large chunk of the hard drive to not appear in disk management - the capacity is approximately a third of the total drive (see attached)!?

I have used TreeSize and other tools to see if there is anything out of the ordinary, such as over-sized temp folders, pagefile, etc. But nothing but a couple over 19 GB (typical usage) shows (see attached).

Any help/suggestions are appreciated!

Answer:160 GB hard drive shows capacity of 55 GB in Disk Management

Please see this thread in the forum: 1tb HDD only shows 523gb

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Hello Everyone,

Over the last couple days, I built a new PC and installed windows 8.1. Initially I had some issues installing windows, so I unplugged all my drives except the SSD and DVD. I installed windows to my SSD.

Everything works great!

Now I started adding my drives back in 1 at a time. When I plugged my 2nd SSD in, it showed up in BIOS, but not in Disk Management or Device Manager. So I booted back into the install CD, it showed up in the disk manager there. Since this was also a blank SSD, I partitioned and formated the drive from the install CD, then exited the installer and booted back to my windows drive.

I have 2 SSD drives working great!

Now to add my 2TB HDD... Same issue, it shows up in BIOS and the install disc, but not in Disk Management or Device Manager. This drive does not have a boot partition on it, however, it does have two existing data partitions. They were made from my previous windows 7 system and the option to delete these partitions is grayed out in the install disc menu. I also have some data that I would like to keep on it. I have a USB dock that I can use to read the contents of the disk just fine. Everything is there and in working order.

Can anyone help me out here? What is different about Windows 8.1 that is preventing my hard drives from showing up in windows proper? I am reading things about UEFI online, but nothing seems to fit my exact scenario. I will try and post some screen shots when I get back at it.

Mobo- Asroc... Read more

Answer:2nd hard drive shows in BIOS but not Disk Management

Check if your sata drivers are the latest here : ASRock > Fatal1ty Z87 Killer

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...It initially didn't show up in 'Computer' (or My Computer). Device manager said its working properly.
I put the Vista Disc in (had to get a pirate one from someone because my disc drive won't read the official one all of a sudden) and tried to install Vista on this one as a way of forcing it to show, only to get an error code 0x8007000cl. I then split the new 1.5 tb drive into 98 gb and about 1300 gb via the vista DVD's drive list that comes up, partitioned the 98 gb, and now that smaller one at least shows up under 'Computer' but it still wont allow me to format it.

Any ideas please? Thanks.

Answer:3rd hard drive shows in device manager but..

The fact that your system will not load your disk is worrisome, but I suspect you have a defective drive, or inadequate resources. Tell us more about your computer brand and model, or about the motherboard.
Is this a new SATA drive you are dealing with?

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Hi, I have a Lenovo T430s. The laptop has two hard drives, a 256gb SSD and a 500gb HDD. Both show in Device Manager but only the SSD shows up in exploer. 500gb HDD: HGST HTS725050A7E630256GB SSD: LITEONIT LMT-256M6M mSATA 256GB I updated the drivers and they said they are updated. Troubleshooting that I haven't tried is going into BIOS.  I'm not sure, or don't know how to get into BIOS, and when I do, I do not know what to try once I get in. I'm not sure why both hard drives are not showing up in explorer on it's own. Details of my computer:  


Go to Solution.

Answer:Detect both hard drives in device manager but only one hard drive shows in explorer

Good day and welcome to the community.
Have you created a partition on the 500gb drive?

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I've spent most of the night searching and cannot seem to find an answer to my problem so I registered with the hopes that someone here may be able to help.

I have a NAS set up with two 2TB Samsung Spinpoint hard drives. The hard drives in the NAS were partitioned to have 300GB in a RAID 1 and the remainder in a RAID 0. One seemed to be failing so I removed it hoping I could connect it externally to my laptop and recover the data. When I hooked it up to the laptop, it seemed to connect fine but did not show in My Computer. When I went to Computer Management - Disk Management, it shows the partitions as healthy (see image - Disk 1). However, when I right click on the partitions to assign a drive letter, the only options available are Delete Volume and Help. Same when right clicking the Disk 1, all that is available is Convert to Dynamic Disk, Properties, and Help.

Any help would be greatly appreciated. Thank you.

Answer:Hard Drive shows in device manager, not My Computer

Did you try accesing the drivers from device manager ? (right click 'open')

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Hi there,
I've been having a hard time with my secondary hard drive showing up when I go into the "computer" option under my start menu. It does appear under Device Manager though.
I've reseated my cables numerous times, purchased and used new Sata cables, and I'm also running a new motherboard. I've also changed and disabled all my sleep options already.
I recently switched to using a Primary SSD for my programs to be installed on but ever since switching over to my SSD my HD no longer appears and I can't save anything to it.
Any advice? Thanks.

Answer:Secondary Hard Drive Disappears in 'Computer' Shows in Device Manager

You seem to need to assign the drive a path. Do this:
1. Open the windows search bar by pressing the windows logo in the bottom left corner of your screen
2. Search disk
3. Find the option labeled Create and Format Hard Disk Partitions
4. Select it
5. Find your hidden disk
6. Then assign your disk a path and it should appear in My Computer

Hope I helped!

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My external hard drive seagate 1TB not showing in my computer and disk management. It happen after I install seagate dashboard. It showing in device manager under disk driver but I can't access this drive. I'm trying to get into BIOS while inserting the external drive but my computer stuck. When I pull out this external hard drive my computer can enter bios and boot up normally. Please help. I got very important data in my external hard drive. TQ very much

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I have a Simple Tech Pininfarina 320 GB external hard drive that is no longer recognized by two different PCs, even under disk management. When plugged into the USB, the PCs do try to install the driver, but fails. It is recognized under Devices and Printers as Unspecified and with the information Model-Simple Drive, Category - Unknown, and Status-Software is installing for this drive. The troubleshooter searches for a driver, but does not find one. Basically I get the information that "There is a problem wiht the driver for USB Mass Storage Device. Reinstalling the driver might fix this problem." But I cannot find a driver for this hard drive.

Can anyone steer me in the right direction?

Thanks in advance!

Answer:External hard drive not recognized in Disk Management

The system is telling you that there is a problem with a USB driver, check in the Device Manager for any yellow warnings. Under Universal Serial Bus Controllers you will see a driver for USB Mass Storage Devices, right click and uninstall it then reboot, Windows should reinstall it, or go to the motherboard's manufacturer's site and download and install the latest chipset drivers..

There are two other possibilities, the hard drive has failed or the circuitry in the enclosure has develpoed a fault.

Remove the hard drive from the enclosure and (if you have access to one) hook it up to the internal connections of a dektop PC. Or, purchase a USB Hard Drive Adapter (about ?10) from a computer store or eBay and then plug it into the USB connection on any computer and see if you can then access the drive.

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My external hard drive seagate 1TB not showing in my computer and disk management. It happen after I install seagate dashboard. It showing in device manager under disk driver but I can't access this drive. I'm trying to get into BIOS while inserting the external drive but my computer stuck. When I pull out this external hard drive my computer can enter bios and boot up normally. Please help. I got very important data in my external hard drive. TQ very much


I assume that if you start without the 1TB HD that everything works normally.

If this is true, when you connect the 1TB HD, do you get any indication that you have added new hardware? You should.

Is your connection to the 1TB HD via USB?

Never mind. One of your images shows that the Seagate is recognized. From that, I conclude that the USB interface is good

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i bought a 250gb samsung external hard drive ,when i connected it to the usb port my computer could not detect it either in disk management and my computer ,so i decided to rebot the computer and go to the bios ,i could not also see it in the bios.funny enough my friends computer could easly be seen when connected both in the disk management and my computer

please help me .am currently running windows 7 build 7077

Answer:External hard drive not seen in disk management and computer

USB drives dont show in BIOS.

The USB adaptor may be USB 2 and your USB may be usb1 and as such is having trouble seeing the drive.

Or your USB sockets or drivers are faulty, try another USB device in them

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Hey everyone,
I just purchased a new external hard drive for my laptop. I have a Sony vaio, and the hard drive I bought is a Micronet Platinum XL 500gb. I turned it on and it didn't show up in My computer so I went into the disk management and noticed it was not activated. I activated it and then still nothing.

That was obvious because the drive had not been formatted. So I clicked create new partition and started formatting it. All was fine, it was late so I went to bed, got up in the morning to see how it completed and it said that the format was NOT successful. Now it won't show up in My Computer, nor will it show up in Disk Management. Should I just create a WIN98 bootdisk and format it from DOS, or is there something else I can do?


Answer:External hard drive not showing up in Disk Management

If it won't show up, I don't see how you can format it in DOS.

Anyway, check out Device Manager and tell us more.

Other suggestions:

1. Test your drive on another pc
2. Check your bios settings

good luck

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I'm currently using a Samsung NP-QX410, and I'm trying to install an external hard drive onto the laptop so that I can backup the data.

The hard drive is a Western Digital Scorpio 750GB
The hard drive enclosure is a Vantec NexStar TX 2.5-Inch SATA (I know it's cheap. That might very well be the problem).

When I plugged in the hard drive into the USB ports (I've tried all of them), the light on the enclosure lights up and I can hear the hard drive spinning. When I look around, I can't find any signs from my laptop that a hard drive has been plugged in (or that anything at all has been plugged in for that matter). After some digging I found out it's suppose to appear in the Disk Management page, then create a partition and do a few other things with it.

My disk Management shows no signs of the hard drive though. All it shows is Disk 0 (the basic disk) and CD-ROM (for DVD's).

To me the problem just looks like I just bought a cheap enclosure, but I'd rather ask to make sure there isn't an obvious step I skipped. If anyone has any ideas I'd really appreciate some help.


Answer:External Hard Drive Not Showing Up In Disk Management

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Tried just about everything but I still can't seem to get my external hard drive to show up in my disk management or computer. It say it's installed and ready to use but I don't see it.. only in the device manager and in devices and printers I can see it.. but nowhere else.. I'm working with windows 7 upgraded from windows xp but has be downgraded which was originally windows vista I think.. A friend gave me a computer and I had it upgraded.. can any one help me get my computer and external hard drive straight. Thanks.

Answer:Don't see my external hard drive in disk management or on computer

Check this thread out:

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I am trying to access files on a hard drive from a different computer which will no longer load the OS. I have connected the hard drive using a usb adapter. When I plug it in, I get a notice that the device is ready to use, but it does not show up in Computer.

It is visible in the disk manager. There is no drive letter assigned and the options to do so are grayed out. Most of the options in device manager are grayed out, except for 'delete volume' and 'help'.

Answer:hard drive w/ usb adapter- drive shows in disk manager, not computer

Welcome to the forum,

Can you post a maximized screenshot of your full disk management window.

Screenshots and Files - Upload and Post in Seven Forums

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The Seagate Momentus 5400.6 hard drive I'm using is from my old laptop it has 4 disks.
After I put it in the (IT-CEO IT-700) enclosure, and connect it to my new laptop it does not show up in 'My Cumputer' and 'Disk Management', but displays in the 'device and printer' section of control pannel.
I also can't eject the hard drive, even when I'm not doing anything to it, the (IT-CEO IT-700) enclusre's blue signal light just keeps flashing for a while then goes off for a sec, then resume flashing again.
My laptop also keeps trying to install the hard drive.

I tried reinstall the hard drive's driver, but that did not solve the problem.

Please Help.

Answer:External Hard drive not showing up in 'My Computer', and 'Disk Management'

Have you tried using different drive enclosure other than the IT-CEO IT-700?

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I've been having this problem for a few months now. I recently built my own computer, having been on a lap top for a couple of years, and found my old external hard drive. I plugged it in to the new computer, and it said something about needing to be formatted, which I promptly did due to nothing of importance being on it. I went to sleep, and woke up to see that it couldn't be formatted.

This is where my issue begins. It no longer appears in Computer, or Disk Management. Disk Management won't even load if I have the drive plugged in. There seems to be no way at all to format the drive, since Computer, and Disk Management both don't load when the drive is plugged in. Any help?

Answer:External Hard Drive is Not Recognized in Computer or Disk Management

I have a similar problem. I have an old external hard drive and it wont showed up or open under my computer or disk management. I tried to open it under disk management but there is no way to be found. The files F, G, H, etc are empty. I really appreciate an extra help here since I am not a computer expert. Thank you!!!!

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I have a Western Digital (WD) 250gb external hard drive and run Windows XP on my Asus Eeepc laptop.

One day I pulled my external hard drive straight out of my computer (didn't use "safely remove hardware"). From now on it isnt displayed in my computer, and it doesnt appear in disk management either. When I open device manager and then open my WD SES Device, it tells me the device is working properly. I have tried updating the driver and uninstalling it, but everytime I plug it in reinstalls itself and tells me it is working fine.

I am not a computer guy. I have read other forums and none have a solution for me. Does anybody know how to access my external hard drive? (please write responses in simple language with simple steps I can follow)


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I have had the same Toshiba external hard drive for years and have never had any problems plugging and using from any machine, mac or pc. I recently had to reformat my hard drives and re-install windows 7, and ever since I have been unable to access my external from this machine. It still works fine on my laptop, and when I plug it in to my tower, it still recognizes that "External USB 3.0" has been plugged in and downloads the drivers. However, the drive appears neither under my computer nor disk management, nor diskpart -> list volume. It does show up in my device manager as USB mass storage but uninstalling the drivers and plugging it back in does nothing. Is there anything I can try before moving all my files off and formatting the drive, and will that even help? Thanks for reading.

Answer:Solved: External hard drive detected but not under my computer or disk management

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I've spent the last couple of hours trying to get my 1TB Simple Tech External HD to work. I've had it for less than a year, so I believe it's under warranty, but I have 500 GB on it that I don't want to lose by sending it in to the company. The HD is formatted FAT32.

My computer is a HP DV1000 - running XP (all service packs are up to date). It's got an Intel Pentium Processor 1.86 GHz, 0.99 GB of RAM. (Are there any additional specs I should mention?).

I have tried the hard drive on my MacBook Pro and my 360 in hopes that it might be my computer, but none of the devices recognized it. I also tried switching the cords to no avail.

I does not appear in device manager. I haven't found much advice on devices not appearing in device manager, so if anyone could help that'd be great. Tech support is closed all weekend so I can't contact them, not that they'd be much help anyways.

Answer:External Hard Drive Not Appearing in Device Manager

Welcome to TF!

The specs matter not.

Try running a Linux boot CD.

If no avail, take the hdd out of it's casing (this might void warranty) and try connecting it internally.

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I have emailed Paragon and am awaiting there reply, but you guys seem to know a lot more and try and solve the problem

Up to this point I have used either Acronis or Paragon for my backups, I prefer Paragon over Acronis, mainly because the restore by Paragon is far quicker.

I have both bootable CD's, but in this instance I would like to concentrate on Paragon.

I downloaded Paragon's Advanced Recovery CD. 2009 Build 6730. Put it in my rom and booted ....... looked at a black screen for 10 minutes. Removed it and rebooted, it got stuck at the loading of Vista, then I got another black screen no hard drive movement.

Rebooted again, this time with the regular Paragon bootable CD. It booted into the recovery console.

Now this is where things go from bad to worse. I tried finding my OS, after a lengthy period I received an error disk 2 i/o fault!!! ....... no operating system found.

Now disk 2 is my external hard drive where my backups are kept.

So I rebooted with the CD in, went into the recovery console and clicked on "safe restore", after playing the waiting game I get a message disk 2 i/o fault!!!.

Took out the Paragon CD, put in the Vista one, tried a repair, but there was no OS to repair .

So I installed Vista, and because I didn't want to have to reinstall all of my programs again (yer lazy I know, but that's what backup's are for).

Checked with the fresh install, that my two external hard drives, had there drivers and were present. They were ... Read more

Answer:Paragon Hard Disk Manager Suite & USB External Hard Drive


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Relevance 90.61%

Alright, I have a whole bunch of my music and videos on my external hard drive and I got a new Dell XPS 8300 yesterday. I had been using my external hard drive just fine for the past 1-2 yeas now with 2 different laptops, working fine. I plugged it yesterday to transfer all my music to my new computer and it seemed to be working fine. There was an error as the copy rate slowwed so I decided to delete and try again. I did that about 3 times and then decided to just copy the music album by album. Eventually, I don't know how it ended up happening, instead of the Hard Drive coming up as Seagate on the My Computer Tab, it started showing up as Local Disk: J on my Dell and Local Disk E on my laptop now. It doesn't matter where I plug it in. Not only that, it won't open when I try to open it. It will get 95% loaded and then just pause and stop responding. I'm completely lost.

My hard drive is Seagate 250 GB.

Answer:External hard drive stopped working, only shows up as Local Disk -- won't open

Hi, first I would run the Seagate diagnostics to check the hard drive is still healthy following this guide.

Identify the make of your hard drive and then use one of the links below to get the manufacturers diagnostic for ISO CD. Burn the image file to a CD, boot the PC with the disc in the drive and run the diagnostics. You first need to set the CD drive to 1st in the boot order in the Bios setup.

If you do not have an image burner use this free software to make the CD.




Seagate, Maxtor & Quantum:

Western Digital:


Toshiba Fujitsu:

If you have a Toshiba hard drive I would suggest the use of the diagnostics from the Seagate link as this will work on all makes of drive and on any OS.Click to expand...

It sounds likely that the circuitry in the drive enclosure is failing (or the drive), if the test won't run then remove the drive from the enclosure and purchase a USB Hard Drive adapter, or use the internal connections in a desktop PC to connect... Read more

3 more replies
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Hi. I tryed to make a system back up but it keeps failing with error code0x80070002) (windows cant find a backup device) went into disk manager and found that my external hard drive that I had plugged in to make the backup on was present and working fine, the strange thing was that i couldnt see my internal hard drive, I did the command promt "devmgr_show_nonpresent_devices=1" this enabled me to see the disk in device maneger but windows was telling me that the disk was not connected to the system? system restore wont work and like a fool i deleated my previous backup image to make room for the new one. I also tryed startup repair and this failed to find any errors, I should point out though that windows explorer shows my internal hard drive, which is the drive my OS is running from but disk manager refuses to show it and i dont get a "show hidden devices" in the view tab either. I also have XP installed on a different partition to run some old stuff i like to use and the disk manager in xp is also hiding my hard drive. any ideas??

Answer:Hard drive hidden in disk/device manager

So which OS do you have Vista or 7? You cannot have both so you should not be in 2 forums.

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Hi Guys, any ideas how to access my external hard drive [TOSHIBA MK3029GACE] device manager can see it but it does not appear in disc management.

I use this HDD perfectly in my car HDD player. But when I try to connect it to my Laptop, it does not show up in disk management.

Please check the attached screen shot..

Thanks for the help....

Answer:HDD shows in "Device Manager" but not in "DiskPart"or" Disk Management

Specs show that drive has a ATA-6 interface (P-ATA, or IDE). How are you connecting this drive to your laptop? Does the laptop have a PATA or SATA connection? Does it use an adapter?

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I have found the solution, it is standardly unmounted (but i made it mount with ''partition found and mount, but now im dependable on that program for the hard drive to be mounted, so how do i make it like a normal hard drive?? and how do i format it so that its like a normal hard drive)now so the pc sees only that black space, but how do i make it so that its standardly mounted again?

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I have a 2TB Seagate GoFlex Desk external hard drive that works fine on my previous Windows XP computer (I know, very old) but is not recognized at all on my less-than-a-year old Toshiba laptop (S55-C5274) running Windows 10. I have been through support with Seagate, Microsoft, and Toshiba, with each of them point the finger at the other with no resolution. According to Seagate, the drive is compatible with Windows 10 and should work.
Unlike other users' problems I've read, my Windows 10 PC does not recognize the external hard drive anywhere - no sound recognizing something is there when plugging in, nothing in This PC/My Computer, and nothing shows in Disk Management or Device Manager. So unlike many others, I am unable to just do a partitioning to assign a letter via Disk Management - the computer doesn't even recognize it's there. The Seagate drive, however, does light up when plugged into the Windows 10 computer, and as I mentioned, still works perfectly on the Windows XP machine, where it is accessible via My Computer.
I have tested every USB port on the Windows 10 machine, and all work fine with other drives and peripherals, so it's not a hardware issue. Also, I have moved all my data from the Seagate drive onto a 2nd external drive, so losing data is not an issue. I even reformatted the Seagate drive (NTFS) via the Windows XP machine, but that did not change anything. Also, I have never used the Seagate software to manage the drive (which is not compatible with Wi... Read more

Answer:2TB Seagate drive not recognized Windows 10 (no Disk Management)

my first suggestion to you is the test that our disk drive in another PC and see if it recognizes it

1 more replies
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I have a 12TB BlackArmor NAS on which I've run iSCSI Setup Wizard. I then went to iSCSI Initiator on a computer and targeted the NAS properly. When I open Computer Manager/Disk Management the NAS is listed as Disk 2 but has underneath the listing "Unknown" and "Not Initilized." When I tell it to initialize using GPT (because the drives are 3TB each) the error message "The drive cannont find the sector requested" pops up.I reset the NAS, run through the same steps several times and get the same resultsAny help would be appreciated.

Answer:W7 Disk Management won't initialize Seagate 12TB NAS drive

Follow this maybe and see if you get to the bottom of the page. up and live.

10 more replies
Relevance 88.56%

I have a 2TB Seagate GoFlex Desk external hard drive that works fine on my previous Windows XP computer (I know, very old) but is not recognized at all on my less-than-a-year old Toshiba laptop (S55-C5274) running Windows 10. I have been through support with Seagate, Microsoft, and Toshiba, with each of them point the finger at the other with no resolution. According to Seagate, the drive is compatible with Windows 10 and should work.
Unlike other users' problems I've read, my Windows 10 PC does not recognize the external hard drive anywhere - no sound recognizing something is there when plugging in, nothing in This PC/My Computer, and nothing shows in Disk Management or Device Manager. So unlike many others, I am unable to just do a partitioning to assign a letter via Disk Management - the computer doesn't even recognize it's there. The Seagate drive, however, does light up when plugged into the Windows 10 computer, and as I mentioned, still works perfectly on the Windows XP machine, where it is accessible via My Computer.
I have tested every USB port on the Windows 10 machine, and all work fine with other drives and peripherals, so it's not a hardware issue. Also, I have moved all my data from the Seagate drive onto a 2nd external drive, so losing data is not an issue. I even reformatted the Seagate drive (NTFS) via the Windows XP machine, but that did not change anything. Also, I have never used the Seagate software to manage the drive (which is not compatible with Wi... Read more

Answer:2TB Seagate drive not recognized Windows 10 (no Disk Management)

my first suggestion to you is the test that our disk drive in another PC and see if it recognizes it

3 more replies
Relevance 88.15%

Hi, sorry if this has been posted before, but I searched so many threads and none of them seem to apply to my exact situation (they all have the usb showing somewhere).

My usb/external hard drive, isn't showing up anywhere. Not in my computer, disk management, device manager or by doing cmb > DISKPART> LIST DISK. The laptop does make a sound when i plug in the drive however but the autoplay doesnt come up, nor can I find it anywhere. I've also tried switching everything off, tried different ports, checked youtube videos, followed lots of different instructions from so many threads, but nothing is seeming to work.

The problem began when I ran a system restore this morning, I then noticed the usb problem and cancelled the restore (to set it back to before the restore was done) but this didn't work. The problem is also the same with the dvd drive. On device manager both the dvd drive 'link' and a usb 'link' both have yellow exclamation marks next to them. Please can someone help me, I would be so unbelievably appreciative and grateful. I have been searching for hours, trying loads of different things but I just can't figure this out. Thanks so much!!

Answer:USB/External hard drive not showing anywhere (my com, device man, disk man, etc)

Please do not start more than one thread for the same issue.

Closing duplicate.

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I own a Satellite A100-1AI and have moved from Vista to Wndows XP?

My DVD drive has been discovered as a HL-DT-ST DVDRAM GSA-T20N but is only showing as a CD drive in the My Computer screen.

Also Device Manager is showing Mass Storage Controller and SM Bus Controller as an unknown (other) device.

Since moving from Vista to XP I have not adjusted my BIOS settings

How do I clear these unknown devices and make my DVD drive see CD's

Many Thanks in advance


Answer:Satellite A100-1AI shows CD drive but Device Manager shows DVD drive

Just one question;
Can you read and burn CDs?

Regarding the unknown devices:
These devices are supported only by Vista and therefore there are no drivers for Mass Storage Controller.

Check this:

+After installing Windows XP there could be a yellow exclamation mark by a "PCI Memory Controller" or *Mass Storage Controller* in the device manager.+

+This device is likely the Turbo Memory former Robson module.+
+This hardware will only supported by Windows Vista.+
+Therefore there is no Windows XP driver.+


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Relevance 87.74%

Hi guys,

I just tried to install Ubuntu from a USB stick alongside Windows 10, and have managed to make my external HDD disappear

Halfway through my installation of Ubuntu I noticed that the software was trying to install from a 500GB drive (my external HDD) instead of the 8GB pen drive I was trying to install from. I quit the installation hoping I hadn't done any damage, but apparently I have...

My external HDD still shows up as a named device in device manager, but it's not in My Computer. Looking at Disk Management you can see it as 'Disk 2' (see image), but all the options to Format etc are grayed out.

Is there any way to get it working again? Ideally keeping the data that was on there, but if not then just reformatting.



Answer:External HDD shows up in Device Manager but not My Computer

I would first disconnect it. Restart the computer. Then reconnect it.

Then see what MiniTool Partition Wizard can do with it:
Best Free Partition Manager for Windows | MiniTool Partition Free

8 more replies
Relevance 86.92%

hi guys,
i have a friend who got hold of an IBM Thinkpad that was a bit broken. he sent it off to get fixed and they replaced the HD. i said i would have a look at the old drive 2 see if i could salvage any of it using my ide adaptor. it starts of promisingly and is recognised by the BIOS and by the device manager as a HD but the Disk management cant see it. im running XP Pro and an ASUS P4S800 board it was plugged into IDE 2 on its own so shouldnt conflict.
is the drive totaly lost? its 60GB so could be worth it. the model number is DK23FB-60.

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Hello all,
I have a Crucial 64gb SSD labeled as the D: drive. It is not the primary drive. IT keeps disappearing from windows. When it does I can not see it in device manager or disk management.

So I disconnected and reconnected it to a different port on the motherboard and restarted the computer and It showed up again and worked fine.

While I was backing up my Lightroom catalog to that drive, my computer froze and D: was gone again. So I connected it to a different port, restarted the computer and now it is showing up again. I fear it is only a matter of time before this happens again.
I tried CrystalDiskInfo and the drive doesn't show up there.


It has failed again, this time I wasn't using the drive for anything. Windows Explorer stopped working so I restarted the computer and the drive is not showing in explorer, device manager, or disk management.

Answer:SSD disappears from Device manager and Disk management


It sounds like the drive maybe faulty. Crucial do have an SSD Drive Utility which will test it for you. - Sorry, I cant send you a link as the site is down for maintenance atm.

I'd also check to see what PSU you have installed. It maybe underpowered for the amount of devices you have in your PC. However this is uncommon.

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Relevance 86.92%

Hi to all,I have a Compaq SCSI HD that fails to start, giving an 'NTDLR is missing' message. After several attemps, I then moved it to my Dell PC. On restrat, I see the SCSI disk listed, but the message sais 'MPT Boot Rom. No supported device found'. I can also see the SCSI disk in the MPT SCSI BIOS Configuration Utility of my Dell machine.In Windows, the SCSI HD appears in Device Manager (of my Dell computer), but not in Disk Management console and not under My Computer. Looking at the SCSI disk properties 'Volumes' tab (see attached), shows Type-Unknown, Status-Unreadable.Any ideas?Kind Regards,Ofer Brum, Israel.

Answer:HD appears in Device Manager, not Disk Management

Did you install the SCSI drivers on the other machine ? ?

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Hi ,

I have a bare IDE HD that I would like to access but my Windows XP machine recognizes it only in Device Manager but not in Disk Management.

I have the bare IDE HD hooked up to my windows XP machine via a USB adapter.

any ideas how i can get my computer to recognize the disk so that i can browse its contents?

Answer:IDE HD recognized by Device Manager but not by Disk Management

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Relevance 86.1%

Please help my segate external hard disk 500 gb not working all of the solutions are not working please any solution but not that solution of computer manage please help and replay fast

windows 7 (64)

Answer:Seagate external hard disk

Man... that sucks. If ALL solutions are not working you are screwed.

Please read the link in my signature and try again.

1 more replies
Relevance 86.1%

I just bought a new 160 WD HDD and installed it into my computer. It was foung in BIOS ok yet its name was blank.. but when i go to look for it in disk management or device manager i cannot find it anywhere. I have switched the SATA port it is plugged into on the motherboard but this hasnt helped at all. Any suggestions??

Answer:second hdd found in bios but not in Device manager or disk management

Likely a faulty HDD. If the drive was working properly, it would be properly recognized and identified by the BIOS. If the BIOS can't see it properly there is a fault.

Test in a different PC to verify.

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Windows 10

I have two 3 TB Seagate HDDs that are a mirrored pair on a Marvell Raid Card.  Each HDD is 3 TB.
I use this as a back up drive.  The drive is partitioned into 3 parts.  I believe I used MBR formatting but it may have been GUID.  It has been working as I have backed up around 2 TB already wit no problem. The drive is now invalid. 
It shows up under the Marvell boot software with no errors.

The only thing I know that could have affected this HDD is that I unplugged an external hard drive from the 3.0 USB.  the screen was not on so I did not see anything.  The other thing was that the computer was rebooted by someone else, and it may
have been a hard boot, before I noticed the problem.

If I am looking at the correct HDD with the program HxD (i am not sure how to distinguish one hard drive from another on the program), the side column in the hexadecimal listing has a note on line 160 that says "Invalid partition table.Error loading
operating system.Missing operating system.."  This does not seem like an error that should appear on a hard drive that is not the boot drive so I am not sure if I am looking at the correct drives.

What can I do?

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Relevance 85.28%

I see the external disk in Disk Management but it is not getting displayed in My Computer nor any data recovery software is detecting it :(
Image attached..
When I right click on disk 1 Initialize Disk option is also disabled.

Please help!

Answer:Seagate external hard disk not getting initialized

What are the other options when you right click on the disk?

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I have a Seagate original HDD of 320GB where I had some really important documents and pictures (of course, everyone's data is important, needless to be mentioned). A couple of months ago, it suddenly stopped being recognized on all computers. I took it to the service guy near my house, who said there is a clicking sound but that it is not being detected. I was referred to a data recovery agency who said it was 'physical damage' and some 70% can be recovered, and that I gotta pay to the tune of $800. I live in India, and no one charges so much for these services. I smelled a rat, and also sensed I would be bankrupt for months. So took my Seagate external HDD back. The HDD was opened by them and then given to me. Like a fool I told them it was ok to be opened and checked. I have no idea what they did with it. I decided not to approach any 'data recovery agencies' that are advertised cos I have become really suspicious of them. Now I really want my data back. My problems are these:

If there is a physical damage (as claimed by those agents) what are the chances of getting the data back?
What can I possibly do myself at home in order to get the data? I am willing to spend money to the tune of $100, if need be for a good software.
Assuming there really was a physical damage and the robbers weren't lying about the actual problem, it still means the data could be recovered, cos they swore they would give me 70% of it. That means, there must be dat... Read more

Answer:Seagate External Hard Disk Died :cry

gothichero said:

I took it to the service guy near my house, who said there is a clicking sound but that it is not being detected. I was referred to a data recovery agency who said it was 'physical damage' and some 70% can be recovered, and that I gotta pay to the tune of $800.Click to expand...

If the drive is making a clicking sound it is a likely sign the read/write needle is either stuck or not moving properly (similar to a defective tone arm on an old-style record player).

If a professional data recovery service goes to work on it, it is possible they can salvage data from the sectors that haven't been damaged or gouged by the read-write needle failing (again, think of an old vinyl LP that skips - these are the areas where data recovery is unlikely).

The big question is which 70% of the data can be salvaged. Since there is no way of telling if the 20GB file you need most is in a recoverable part of the drive, it's unfortunately a crap shoot.

gothichero said:

The HDD was opened by them and then given to me. Like a fool I told them it was ok to be opened and checked. I have no idea what they did with it. I decided not to approach any 'data recovery agencies' that are advertised cos I have become really suspicious of them. Now I really want my data back...If there is a physical damage (as claimed by those agents) what are the chances of getting the data ba... Read more

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I bought an external hard disk for years but recently some errors prompt while booting.

1. the computer can still detect the external hard disk
2. no file name appears although it was auto running
3. error message prompts out either I double click or right click the drive location

error message:
G:\ is not accessible
Error performing inpage operation

I urgently need help in solving this problem.


Answer:Seagate External Hard Disk Error

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when I connect my seagate expansion external hard disk 500gb having p/n:9sf2a2-500 in windows xp(sp2) system, Found new hardware wizard pops up and when I click next it says "Cannot install this hardware".
After which a message is shown in the taskbar saying "A problem occured during hardware installation". The hard disk did not come with any cd, also I have learnt that external hard disks doesnt require any type of software.The hard disk is not shown either in Mycomputer or device manager.I see the light blinking on the external hard disk but I dont feel any spinning of disks when I place my hand on the external hard disk.
So anyone here please suggest me what to do?

Answer:Problem with seagate external hard disk

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Two of my USB external Hard drives, a Fantom 600 GB and a Western Digital My Book 500GB cannot be seen in My Computer. I can see them in Device Manager and that says that they are working properly and the drivers are up to Date. In Disk Manager the 2 external drives had a black bar unlike the other drives which had blue bars. The 2 external disks had a number assigned to them but no letter.

I have tried diskpart in the command prompt, was able to assign a letter, then had to format the drives and they did show up in My computer as valid empty external hard drives with the correct amount of space on them. But when I tried to recover the backed up data for one of the disks (less than a third of the capacity of either drive) they went back to not being recognized by My Computer ans in disk manager had a black line with no letter again.

I just went through that process again, got both drives back and tried to recover the backed up files to my Fantom drive and lost the Fantom drive once again.

I am attaching screen shots of my current My Computer (Computer in 7) Device Manager and Disk Manager. In Device Manager you can see the Fantom. The My Book is the WD 5000AAV. In Disk Manager the My Book shows healthy with Disk 1 and the letter L. The Fantom is Disk 2 with no letter and a black bar. In My computer, the My Book is there but not the Fantom.

Any ideas for this. I am about to just recover my computer to factory setup and start new. I have sa... Read more

Answer:External drives show in Device Manager & Disk Manager but not Computer

Hi Dick1030,

Welcome to Seven Forums.

Please do as follows:

1. It is unusual for the System Reserved Partition to have a drive letter. Please remove the drive letter.

2. Please remove (always Safely Remove) all the external drives including any card reader and do a drive cleanup as indicated here. It will clean your system of all non-present devices and you will be starting with a clean slate.(Incidentally this can resolve many drive letter assignment confusion of Windows OS, as you can see in the referenced thread.)

3. After you reboot on completion of the drive cleanup, plugin only your WD My Book and the Fantom drive. As you plug-in the driver for each device will be installed ab-initio. You can watch it.

4. Now take a screenshot of the Disk Management and post. While taking the screenshot, click on "Show/Hide Console Tree” and “Show/Hide Action Pane” buttons on the toolbar on top to hide those and also pull up the center partition line up as much as possible so that we get a clear and full view.

5. Also tell us whether you are sure that you had formatted the Fantom drive and it contains data and whether you want to recover the data..

(Your statements and the screenshots are so confusing - atleast to me - it is necessary that you do the above and restate the problem.)

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Yesterday, I started a download and kept the pc on with my Seagate FreeAgent GoFlex External HDD 1TB plugged in. After I woke up I realized that there was a power cut and the computer went off unexpectadly (I had no UPS or any backup system).And, I found that my Ext HDD was not seen in my computer anymore (It was working perfectly until before I went to bed).
In device manager, under 'Disks' it shows 'GoFlex Hard Disk', but in BIOS or Disk Manager there is no sign of this HDD.

I really need the data in the HDD badly. Please help me recover it.
P.S. I read somewhere that keeping the HDD in freezer might help and give a little more time. Is that true? Worth the risk?

Answer:External HDD gets detected in Device Manager but not Disk Manager or seen in 'My Computer'

Power outage probably killed something in the enclosure or its PSU. The drive in the enclosure is probably fine. I would remove the drive from the enclosure and put it in a dock or install it in a desktop computer before considering freezing it. Freezing is usually reserved for click of death drives, and a last ditch effort.

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I just bought an external hard drive (Seagate FreeAgent GoFlex Desk, 1.5TB) and have some difficulty setting it up using the Seagate DiscWizard software.

The reason I bought this drive is to clone my DELL Inspiron 6400 Laptop HD in case of disaster etc. The Laptop HD is 140GB and 70GB are taken for my files / programs. So I was able to clone the Laptop HD but when I reboot, after I changed the BIOS settings to boot from the USB, the Laptop starts and during the process of loading Vista it re boots by itself.

Looking on the explorer, I have the Main C:\ drive, and then I have the Recovery D:\ (that is where DELL put the recovery files), then I have E:\ which is the DVD drive and then are the new cloned drives F:\ Recovery and G:\ Main.

Now checking the properties of F:\ and G:\ they are both formatted as NTFS and the F:\ is 10 GB as my original and the G:\ is only 70GB as the original so the clone process made the external drive only 70GB.

I think the problem is that the G:\ should have been before the F:\ but not sure.

Any Ideas on how to go about it?

Answer:Solved: Seagate FreeAgent External Hard Disk

16 more replies
Relevance 84.46%

I have a seagate External HDD (250GB - ST325060)
which was working fine for the past 2 years with no issues on WinXP.
Last week when i was working with that, the power connection cable attached to the HDD was removed accidently.
From then,i am trying to switch it on,but its not wswitching on, its not spinning. i changed the power outlets,checked the cables, but nothing is working out. i have lot of data in that HDD(around 200GB). Can you guys please help to make the HDD work again or to recover the data.


Answer:Seagate External Hard Disk not switching on, not spinning

You'll need to open it up. There may be a small fuse that you can replace (though there may be some soldering involved).

You can also remove the drive from the case and attach it internally in your PC to recover data (with an adapter if it is a small drive).

In any case, unless there is a fuse cap externally that you can check, you'll need to remove the case.

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I bought an external hard disk (FreeAgent 160GB, Model # ST901603FGE1E1-RK) in February 2008. The purpose is data backups of my PCs (all XP-SP2). Whenever I use this external hard disk (from any of my PCs), there are always a few occurences of the following in Event viewer :-

Type: Warning
Source: Disk
EventID: 51
An error was detected on device \Device\Harddisk2\D during a paging operation

My other external hard disk is a Western Digital (procured about a year ago), and so far, I have not come across any such error message when I use it.

Should I be concerned about this error event in my Seagate FreeAgent? Since this is a data backup device, I am worried.

Answer:Seagate FreeAgent external hard disk - paging error

You can run a drive diagnostic test on it:

Also consider running CheckDisk on it too
Go to My Computer
Right click the drive
Select Properties-Tools

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Relevance 83.64%

I have a brand new Seagate Free Agent GoFlex 1 TB external HDD. Actually it's my dad's and I was suspicious that it might have a virus. So I booted my laptop through Ubuntu and plugged my Seagate once it booted successfully. There was no virus, just some default files that can be found on a new HDD, like UserManuals, an exe file also which I guess might have been the driver. There were some other files as well but I can't remember the names. Relieved that there is no virus, I formatted the Seagate HDD because I knew (or believed) that those files aren't really necessary to run the HD. A message appeared which said the disk couldn't be formatted properly but still was opening with no data in it. Yesterday I wanted some data from my friend and plugged in the HD in her computer. The HD did open and drive window appeared with no data in it. Everything fine. Suddenly the window disappeared and drive was not there even in My Computer. I unplugged and replugged the HD many times but the HD could not be detected. Now I can't use this Seagate HD, as it's not even being detected.

What went wrong? Did something happen due to the deletion of those default files? Or something else went wrong?

Please help!

Answer:Seagate FreeAgent GoFlex 1 TB external hard disk not detecting

When the drive is plugged in, does it appear in the disk manager?

(To get to disk manager click START > Right click on Computer > Manage > Disk Management)

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I have a problem regarding my external Toshiba hard disk 500 GB where it can?t be detected in my computer and also disk management. I have formatted the external HD since I was asked to format it when an error popped up.
So I formatted it and after the formatting completed, I tried to connect the hard disk to my Windows Win 7 laptop. When I connect it to the laptop, it can?t be detected and yet the hard disk is blinking with its white light like it used to when it is connected to the laptop. I tried the disk management thingy, but it can?t detect my hard disk. I tried in other laptops but the result is same
What can I do to make it better? Please help me.

Answer:External hard disk not detected in My Computer and in Disk Management

First off, how old is your Toshiba external HDD? Also, when it starts to spin up, do you hear any sort of clicking or whining noise?

If you hear any noises that sound off, it's possible your external HDD is failing.

When you formatted it, what file system did you use to do so? Because sometimes even if Windows can't detect it, I have had success with booting with a Ubuntu Live CD, and then connecting the external HDD in order to format it that way. It all has to do with how Windows formats HDD's and how Ubuntu and other Linux systems do.

If you can I recommend downloading Ubuntu onto a CD and boot to it on one of your computers, in the Live CD mode, so it doesn't install anything. Once its loaded, plug in the Toshiba and try to format it as NTFS (this is important, because Ubuntu doesn't use it as a native file system, so you need to make sure that NTFS is selected on the format window, not EXT4 or the other types of Linux OS File Systems)

If it doesn't work, post back here, and I will see if I can help you some more. Also feel free to PM me if you have any other issues.


1 more replies
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I am not sure whether I should be posting this in the Windows forum or the PC Hardware because it involves both.

I have an external 320 GB Transcend Drive with a lot of important data.
Recently, I unplugged it from my PC and took to another to get some files.
One the other machine (Vista), it didn't show up as far as I can remember, thought that was strange so i brought it back to my Laptop (Win 7, Dual Boot with Ubuntu 10) and it only showed as Local Disk, I have tried to find useful information on the net but some is very vague and some is outright stupid and irrelevant.

The fact is that the HDD is not broken. When in Ubuntu I can view the contents fine and everything is there, no freeze ups or anything, but in windows the drive shows up as Local Disk, I don't think it is a drive letter conflict.

The Device shows up fine in the Device Manager.
I'm sure some of you have solved this problem as it seems many on the Internet have.
If so please tell me in a few steps how you resolved it.. I am not formatting as I do not deem this necessary since I can access my data fine in Ubuntu.

Kind Regards

Answer:External Hard Drive Works In Ubuntu / Shows as "Local Disk" in Win 7 and doesn't work

I suggest that while in Ubuntu you move the files to local HDD, then reformat external HDD, then copy the files back.

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Suddenly the drive is no longer recognized on any computer. I plug it in via USB and the power light turns on but the letter drive that usually comes up on My PC does not show. I went into disk management and said drive isn't located there either. The only way I can tell it's being recognized is by going into device manager and seeing the listing under disk drives. I've uninstalled the drive and reinstalled it, tried using the Seagate utility and attempted to plug it in other computers. I even checked diskpart, nothing is there. No resolution yet.

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Couple of hours ago my Windows 7 could not recognize my external USB hard disk (Maxtor Basic). It came up on Disk Management and Device Manager but not on My Computer. However I fixed it (by deleting its line off regedit in HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices, plugging out the ext. HD and plugging back in). Windows automatically installed the drivers and I could access the drive.

But now Windows shows my Maxtor as a fixed disk drive, instead of "devices with removable storage". I still have the option to "Safely remove hardware and eject media" from taskbar, however I rather have Windows treating it as a Removable USB Storage so that the disk can sleep when not in use. I am pretty sure it has something to do with regedit, so any help would be appreciated.

Answer:USB external hard disk shows up as internal fixed disk

Welcome to Windows 7 Support Forums, Sactyr.
A word of caution! Its never a good idea to alter your register,
IMHO please review your device manager and check your devices for your disk drives, check for any warnings in the driver area.
I'm attaching my screenshot for comparison as I have a similar configuration.

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I have an external hard disk which got corrupted. When i connect the disk through USB it shows as an unknown device in the disk management with no option to format.

In My computer the device is showing as H: drive but unable to access it. It asks if i want to format or not but when i go for format it does not do it. I want to erase the disk completely as of now. What should i do??

I tried to load it from linux but there it shows as Device Error. Disk Failure is Imminent.

Can something be done or is it a hardware failure.

Answer:External Hard disk showing as RAW in disk management

Sounds like the drive is failing or the circuitry in the enclosure is faulty.

I would first remove the drive from the enclosure and hook it up as a slave to a desktop PC. See if you can then access it. If you can, then post back for further instructions with the version of your OS.

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Hello, i am using a seagate 1TB harddisk. When i connect it to usb port in front panel of my CPU, the computer is not detecting it.

But When i connect it to usb port in back panel of my cpu, It works fine. My system detects the hard disk and and everything is fine. How to correct this strange problem

Note : my Pen drive and other USB things works fine in all the ports in both front panel and back panel.
Please help me.each and Every time when i want to connect my hard disk, I have to take my CPU out from its shelf and connect it in the back usb port. Its tideous for me.

Answer:Seagate external hard disk not detected in front panel USB port

Well not exactly knowing what type of a computer we are talking about here, I can only say, that what your are reporting is completely normal. Most computers I've ever touched have passive styled USB ports on the front of the computer, and aggressive USB ports off the back that can handle just about anything you can hook up to it.

So stop trying to connect that external hard drive off the front, not enough power and not enough data exchange rates. I would recommend that if you have all your USB ports off the back of the computer taken, I would start thinking seriously about an "amplified" 4 port USB HUB. Remember the HUB your looking for has it's own power source, and does not relying on the computer at all for it's power.

The following one is a good one, a friend of mine got her's about a month ago and has not yet reported any problems.

Hope this all helps....

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Until recently I had no problems with reading my Mp3 plyaer as a drive throug USB. Suddenly it doesnt work anymore. I can still read my camera and connect my cell phone throug this USB port so i dont suspect the port to be broken. I can also see the disk under disk management and add a drive letter but i cant see it in explorer. I can even browse it in command prompt.

I tried uninstallig the USB drivers and after restart windows finds them and tell me they are ready to use but they are not.

I also read something about group policy which i read could hide disks but it is disabled.

The same thing goes for my card reader.

anyone experienced this ?

Answer:Cant browse USB drive in explorer, it shows in disk management and in command prompt

How does it show up in Disk Management? Does it indicate normal operation and a valid format?

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I have recently had a new desktop PC. Prior to that I had a laptop where Seagate external drive was permanently connected via a USB port. I was running Win7, using FF browser and WLM.
With the new pc if I leave Seagate connected I can't boot up - the screen stops at BIOS. Everything seems to be running properly as long as I don't keep the external hard drive connected until boot up is complete.
What can I do so that I don't have to keep disconnecting Seagate each time I shut down?

Hope someone can help and that the solution is an easy one. Thanks.

Answer:Seagate external hard drive

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I need to open up the case of a Seagate 1tb external hard drive to access the drives that were damaged when someone plugged in the wrong power supply.  The person has a new one but really needs the data off this one, does anyone know how to open up the case?

Answer:Seagate 1tb external hard drive

Can't give you info on opening the case but  This   us the best method to retrieve your data...

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Is this 300 GB Seagate a good external hard drive?:

Also, can external hard drives purchased on Ebay be trusted?

Answer:Seagate external hard drive

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i need help to recover my old photos and videos that were accidentally deleted in my seagate external harddrive while i was trying to format using my macbook 2011. what would i do?

Answer:Seagate external hard drive

Give this a try

Good Luck I hope it finds them all used it on the wife's system once and it did recover almost all .
I'm not sure if it works on usb drives or not though worth a try to see if it discovers it .
Yes it does .

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A friend has broken the USB socket on his Seagate external harddrive making it unuseable.
There's a lot of info on the drive he wants to get off. If i open the case (if I can find a tool that will do it ) what am I going to find? Does it consist of a basic IDE harddrive with an adaptor to the usb so I can just hook it up as a slave via the IDE?
Thanks for any advice

Answer:Seagate external hard drive

If you take it apart you void the warranty.

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New to the forum and I have a silly question regarding my external hard drive which cam with no instrucions or information other than an istallation page.

It is product number 9bd862-560. Question, can I leave this on indefinately or is this something that should be turned off daily. I have a program set up to automatically save information so ai need to know for scheduling purposes. Any help would be greatly appreciated.

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I have got a new seagate new hard drive of 250gb(2008)and it works fine but one day i deleted some important file and while i tried recovering the file with RECUVA, i wondered i got back the lost file but alongwith this i got many more files predated to my purchase of this hard drive. How is it possible to get a old files like dated back to 1995 now in this brand new hard drive. Have i been deceived? Or the company have put up a old used hard drive into a new box and sold it. Please clarify.Thanks...


Looks as if you have been done! I would most definitely ask for an explanation from the company.

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i have a seagate external hard drive that i've had for one year. it stopped working after working with no problems.
the green power light does not come on but the white light was blinking then stopped.
any idea's on what can be done. and if it will not work any more is there any way to extract my family pic's and work from the hard drive.

thanks for any help.

Answer:seagate external hard drive

It sounds like the external harddrive has died - do you have copies of the files on your computer as well?

Assuming the drive is dead and it is not an issue with the USB connection, it is possible to get the files off of the harddrive though companies that provide such services often charge a high price.

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couple of weeks ago my NAS drive stop working, i try to SSH it but did not work, so i use the Diagnostics tool from WD to check whether its ok or not but the HDD pass all the test. then finally i decided to take the HDD out of the enclosure and attached
it to Desktop running win 7 Pro. the BIOS detect the drive as 0.0GB, when i check it in Disk management it showed as unknown and not initialized. i tried to initialized it but keep getting I/O error. then i used DISKPART tried to use clean all command and
getting same I/O error. 
is there a way to recover data and make use of HDD or is it fried HDD now.

please help thanks.

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Hi there,

I have a Seagate 1TB External Hard drive not being detected after i switched the laptop off while downlading a software file on the hard drive, that i couldn't stop & after the laptop came back up it couldn't detect the HD. Tha power comes on on the HD & the disk spins as it has an adapter & the USB connected to the laptop. Sometimes the light stayed on & lately it only flickers. Tried it on another PC doesn't get detected. Plz some help would b great. Thanks.

Answer:Seagate 1TB external hard drive not detected

Maybe ?

I have had about 15 Externals in my time, every problem i had was the same one, the circuitboard came away from the hard drive, all i did was unscrewed the whol thing pushed it all back together tightly

Dont know if this will help with your problem....

also try to run chkdsk - Windows XP -win 7

Good luck

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I don't see the new drive in My Computer although the recognizes it when I search new hardware. Any suggestions?Thank you.

Answer:New Seagate external hard drive in dock

Hi sonoma4me,Welcome to the forum!You would need to format the HDD in order to use it. To format the drive in Win XP, right-click on My Computer and go to ?Manage?. In the window that comes up, click Disk Management in the left pane. Once it loads, you should see an ?Initialize Disk? wizard pop up. Partition and format the disk to your liking.Hope it helps.

------------------------------------------------------------Maliha (I don't work for lenovo)ThinkPads:- T400[Win 7], T60[Win 7], IBM 240[Win XP]IdeaPad: U350Apple:- Macbook Air [Snow Leopard]Did someone help you today? Compliment them with a Kudos!Was your question answered today? Mark it as an Accepted Solution!   Lenovo Deutsche Community     Lenovo Comunidad en Espaņol Visit my YouTube Channel

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OK, so about 3 weeks ago, I bought a 250gb Seagate External HDD. I plugged it in and it worked... last night, all of a sudden, it stopped working. I've tried plugging it into another PC, and nothing... it doesn't even find it. I've tried going to "Manage" and "Removable Storage" and it comes back saying "The service cannot be starter, either because it is disabled or because it has no enabled devices associated with it. This snapin's display may be inconsistent with the Removable Storage Service. If the problem persists please restart the snapin."

I'm assuming it's the external, because, like I said, I tried hooking it up to another PC and that PC can't find it either. HELP, I have EVERYTHING on this external, and I don't want to lose it. Could it be the USB cable? It's only 3 weeks old! (BTW, I have Windows XP)

Answer:Seagate External Hard Drive ISSUES

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Upon insertion of the external drive it does not show up in 'My Computer.' It is recognised in device manager and devices & printers, and even in disk management, however any attempt to access the drive is fruitless. I am completely unable to format or change drive letter & paths, however disk management suggests that the partition is completely healthy yet I am unable to access the drive. Uninstalling & reinstalling drivers has no effect & current drivers are up to date.
Any help would be appreciated!

Answer:Seagate External Hard Drive Not Recognised

Sorry, I messed up the image upload the first time around lol.

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I've got a Seagate 1TB external hard drive that I used to back up all my files a while ago. Since then, I have had to junk the old PC and now use a laptop. I decided it was time to check the old back-up files, but the external drive doesn't appear to be working. I don't have the original power lead so I'm using a multi-purpose adaptable adapter. No lights, no sounds of movement from within. To my knowledge the drive has not been driopped or suffered any similar fate. Any ideas of anything I can try, or should I take it to a local store for checking out?

Answer:Seagate external hard drive not working

I would obtain an OEM adapter, from Seagate.

As it so happens, I do have two enclosures I stripped the hard drives out of, as I got them dirt cheap ($20), and the 7200.12 HDD in question was a $60 drive at the time.

Otherwise, you could crack the enclosure (not high on list, at all), and worse come to worst, use an Apricorn drivewire tool to hook it up via USB, so as to extract the data.

PM me if you are interested in the enclosure/adapter. Just cover shipping.


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guys, when i install my seagate external harddrive softwar - "installseagatemanager.exe", i always fail.
i just don't get why this happens..

the error messages that i get :
error 1935. error occurred during the installation of assembly component {04B9F3B6-9645-7658-A01F-C8B3B9A1E18E} HRESULT: 0x80073712

then after it cancels the installation, i get another error:
error: -1603 fatal error during installation
consult windows installer help (Msi.chm) or MSDN for more information

could anybody help me to solve this?
why, and what should i do?

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I have an external desktop hard drive [Seagate 2T]. I had an issue where my laptop would not recognize it. It was supposed to be 3.0 USB, but after some research found some people with similar problems and the solution was to use the 2.0 USB.
It did disappear again for a couple of days and then magically re-appeared. I have since purchased a new WD 2T drive in order to transfer the files and return the Seagate as it's approximately 2 months old. However it has not come up anywhere [the Seagate] in over a week. Today I unplugged everything and plugged the Seagate into the USB 3.0 and left for a few hours. When I returned it is now listed in disk management as 'disk 1 - unknown - 1863.02 GB - Not initialized' and in the partitions [in black] simply says '1863.02 GB - unallocated' and no partitions.
Right clicking gives me 4 options:
1 Initialize Disk 2 Offline 3 Properties and 4 Help
Option 3 opens the properties and says 'this device is working properly' but all values are at 0
Option 4 leads to me to microsoft help topics which basically have all Windows 7 information.... I have Windows 8.1
I am reluctant to choose option 1 as I do not want to erase or reformat all the information on the drive.
I am not overly technical, but have read alot in different forums but still consider myself as a novice.

Any help would be greatly appreciated


Answer:Seagate External Hard Drive Issue

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Hello there. I'm running xp pro and have a 2tb seagate external hd that has worked without a fault for a couple of years until i was transfering a file to another seagate ext hd when it froze in the middle of the transfer.
Now when i plug it into any usb port, the 'autoplay' pops up and continues to search and not find any files except the first folder and cannot find any files. Even when i click cancel it will say 'cancelling' but will not stop till i unplug it.
As soon as i unplug it the action box pops up with some weird icons beside the usual headings.
Also I can plug the HD into my tv and access the files, fine.
If someone can please help me i would be forever greatful as my lifes music library is hiding in there and i shrivell up and die without my beats? Please help, please:confused

Answer:External Seagate Hard Drive not responding


Its possible that the USB drive lette or recognition is amiss with Windows, this can happen when the portable device is plugged into other devices. So best 1st test is to delete the USB driver reference for this device on your PC and recreate.

To do this, open device manager and then the Universal Serial Bus Controller branch and then note the list, then plug in your device and not the change, it may say Mass Storage Device and right click and uninstall this device, then unplug and replug in your Ex HDD and the drive should reload the driver again and be accessable

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I recently changed the power supply on my Seagate External HD after the previous one blew. I re-connected the HD to my PC and i get the following message ' One of the USB Devices attached to this computer has malfunctioned and windows does not recognize it'
It now only shows as an Unknown device and does not show up at all. At first i thought the HD was faulty but i tried it on my works pc and it recognised it immediately and i had full access to the HD so i'm rather puzzled as to what has happened. Any help on this would be much appreciated

Answer:My Seagate External Hard Drive is not recognised

Was it connected to the PC when the Power Supply blew?
Does the USB connection, that it was using then, work with other devices?

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Hi, I've got this seagate 320GB external harddrive like 2 years ago and is working fine until a week ago. the model is somewhat like click hereNow the problem is when i switched it on, the power light is flashing instead of it should turned on like usual.On top, it use to make a sound to boot up but it is not making anymore and seems like I cannot use it anymore. Can anyone help me with it? Really appretiate it!!!Thanx in advance,

Answer:URGENT Help with seagate external hard drive

UK click hereAs your drive is only 2 years old you may find that it is still under warranty and if faulty will get replaced.Click on 'warranty checker' and put the serial number in and model number.There is also a trouble shoot section to check your drive out.

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Hi Folks,I have just purchased a Seagate FreeAgent External Hard drive, 500GB USB2. Setting up was nothing, just had to connect the two Leads. From my previous Seagate External Hard Drive which is not working any more I have BounceBack Launcher Software but it will not recognise the new Seargate. It goes throught the process of Sizing 'C'&'G' drives ok but then a window says 'Connect & Start up drive to backup to.'I've unplugged the USB2 lead & plugged it back again several times. On each ocassion it tells me that it has recognised the backup Drive & was Initialising Drivers. After a few moments the same Window appeared, 'Connect & Start up drive to backup to.' The Seagate is there in My Computer.I have done A New Driver install from Windows but it says no New Drivers, what it has is the latest. Something to that effect.Please can anyone HELP!!!!! Solartopi

Answer:Help Please Seagate FreeAgent External Hard Drive

sorry dont have the answer..could it be that the software was only licensed with the previous drive.Send an email toBouncebackclick herefree back up software powered by acronis from seagateclick here

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I have a 250 Gb Seagate external harddrive.

I've transferred all my comedy cassettes to Mp3 and put them all onto the drive.

When I turned the drive on today it gave out all sorts of clicking noises and the drive light goes on and off.It sounds very unhealthy.

Most of the time the drive doesn't show at all in 'my computer' but occasionally the noises stop and the drive settles down and it appears with a different drive letter to what it was before.When I click on the drive a get a message 'drive I is not formatted - do you want to format ?Y/N?'

Now I accept the drive is broken and fairly cheap these days to replace but have I lost all my valuable recordings? I know everyone says you should always back stuff up but it's always something you're going to do tomorrow !!!

Is there any way I can retreive my stuff to put onto a new drive (and back up) ??


Answer:Seagate External Hard Drive Failure.

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Drive: Seagate External Hard Drive 1TB
Separate Lock software bought, $45: Lockngo.exe - Keynesis Pro.
OS: Vista

Yesterday morning I used my External Hard Drive (trough lockngo.exe)
for around 2 hours without any problems.

After finishing, I locked the external hard drive.

12-13 hours later when I arrived home, I finished doing some school
work and tried to access the external hard drive to make a back up of
the file.

I double clicked on lockngo.exe and typed in the password, it then
displayed "Unlocking..." as usual but then another window popped

"F:\ is not accessible .

The file or directory is corrupted and unreadable."

Funny thing is, I then went to "Computer Management" and under "Disk
Drives" it showed my external hard drive under Disk drives:
"Seagate FreeAgent USB Device".

I then right clicked it, went to Properties and it said "This device
is working properly.".

I installed the extra SeaGate manage software, did a few error checks
etc and said that the external hard drive is working fine.

After that, I went to "Disk Management" and it showed:

Volume - Layout - Tupe - File System - Status

( F: ) - Simple - Basic - RAW - Healthy (Active, Primary Partition)

What concerns me is the "RAW" part... what does it mean? Anything bad
or is it just normal? Since I thought it's meant to say "NTFS"?

So in the end I've got a HIGH feeling that the external hard d... Read more

Answer:Seagate external hard drive problem

I just download a recovery Seagate tool;

Installed it and did a run on the program.

2 Images with links are posted below:


When the hard drive is, well was, working fine, when the driver is locked, it only shows the lockngo.exe.

But ofcourse, this locking program is so damn good that it even hides my "Xuquan" folder that contains like 170GB worth of data which only shows via the lockngo.exe program.

Once the password has been entered correctly, the folder "Xuquan" then shows.

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I have successfully used Seagate Tool to scan my internal HD but it is not recognising my External Drive when I try to scan that. It appears as Sea Tools in Control Panel/Programmes and Features but not on Computer/Manage/Services and Applications/Services where I looked on suggestion from web. It appears I need some kind of MZXM (?) update but do not understand the process of getting this for Windows 7 and am concerned not to mess up my backup drive .

My concern began because Windows 7 keeps asking me to format the Backup Drive before doing my weekly backup. When I ignored it the backup appeared to go ahead any way but I don`t like ignoring mysterious
instructions unless I understand why they are there.

Can anyone please advise me ?

Answer:Seagate not recognising External Hard Drive

Sorry this is not a reply but further info to request for help. I have found the following on Seagate Tools Menus plus a long list of items which I will not quote unless requested to do so.

Unhandled exception has occurred in your application. If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immediately. The system cannot find the file specified.
Under details
See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

Should I invoke JIT debug ?

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I have a Seagate ext. HD with 27GB of personal files and 2 GB of system files; 29 GB in all. Yet when I check the properties of the recycle bin it shows that there are (in the recycle bin) 84GB/31,072 files. I do Empty Recycle Bin and when I check properties again it shows the same 84GB/31,072 files. Why is it that I cannot get rid of them? Thanks in advance.

Answer:Seagate external hard drive recycle bin

Right click on Recycle icon and scroll to Empty Bin.
Perhaps you weren't clicking Apply.

Mine is grayed out because it is empty.

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Most of the time when I plug in my seagate external 1tb hard drive, my computer won't find it. The external hard drive turns on and then turns itself off within a few seconds. I assume the hard drive is automatically turning itself off as if it is in sleep mode.

How can I prevent it from going in sleep mode? Will reformatting the hard drive help?

I have access to the hard drive as this problem does not occur everytime but just most of the time.

Answer:Solved: seagate external hard drive

Formatting the drive will not resolve this.

What is the exact model of Seagate drive you have?

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