Computer Support Forum

External Hard disk showing as RAW in disk management

Question: External Hard disk showing as RAW in disk management

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.

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Preferred Solution: External Hard disk showing as RAW in disk management

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

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

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

Answer: 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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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'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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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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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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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 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.


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Hi all,
I had a problem of Windows 7 x64 Pro not seeing my 8TB Seagate USB HDD no matter what I tried, it just would not show anywhere except in "Devices and printers" and there was nothing I could do with it there!
After several weeks and hours spent on the net searching for an answer I struck the resolution by chance, because i like to fiddle about my operating system.
In case someone is still facing such a problem of external USB HDDs not being recognized and not even showing in "My Computer" or in "Disk Management" (as I had), here is what I did to resolve this problem:
1. Open "Device Manager>Universal Serial Bus Controllers",
2. Look for the USB "Mass Storage Device" and uninstall it by selecting it and hitting the "Uninstall" menu button at the top (with the red X on it),
3. Do a "Scan for hardware changes", the system will find and install the appropriate drivers and you should be able to find and use your device now.
I hope this will be of help to someone.

Answer:External USB HDD not showing in My Computer or Disk Management

Info save to my hard-drive, thanks! I could have used that some time ago. May need it again someday.

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I bought a brand new U12-43837 Ultra 500GB external hard drive but as soon as I hook it up to the computer, the computer recognizes the drive, installs the driver, makes the hardware insert sound, but the drive does not appear in My Computer, nor does it appear in Disk Management. A few threads on here say to do certain things with the drive in Disk Management i.e. change drive letter, but the drive doesn't even show up in Disk Management so I cannot do that. Where do I go from here?

Answer:brand new external drive not showing up (not even in disk management!)

From a search this looks like just an enclosure and does not come with a hard drive inside it already = sold separately :/

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

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

does it work fine when u put it back into the old laptop

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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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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 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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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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I did not even know of such things a few days ago, but in diagnosing an issue I was having, I discovered that all of our external hard-drives, regardless of which of our computers they may be connected to, show as Active in disk management.
All of our ext. drives are identical 1-TB Transcend; one is brand-new and we have had the others for a couple years.
If I ever did anything to these hard-drives that would make them show as active, I have no idea what it may have been; they have probably been like that for a long time.
The only reason I even found it out was that I had to look in Disk Management.
Has anyone else had their external hard-drive to show as Active ?
Is this just a weird thing with Transcend drives ?
Thanks for reading.

Answer:External Hard-Drives Show as Active in Disk Management ???

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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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My laptop is not showing my external hard disk. How can I access it?

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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 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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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 can't see my files in my external Hard Disk . It is 250 GB. I used 230 GB. My all important files is there.I am sure it is attacked by some kind of viruses.When i check the properties I can see i have used 250GB. But i can't see the files.Please help me how to solve this Problem.

Answer:files not showing in external hard disk

Could be because its password protected....are you sure your data is not protected by a password? If it is, then you have to unprotect it and hopefully you will see all your files !

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my WESTERN DIGITAL hard disk was running smoothly and i can access all datas.....
but today 1 disconnected it and there after it is not showing on "my computer"...

bt d indicator light is on and it is rotatng insise......but cant access it ....

smbdy pls help me soon.......

Answer:external hard disk not showing in my computer

Can you provide a screenshot of disk management please?

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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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Hi everyone,

I have a 1TB WD My Passport Ultra external hard disk and it was reading and writing fine until i tried to use that hard disk as a virtual drive for fresh installing Windows 10 in my laptop. I have downloaded Media Creation Tool to create bootable installation media for my hard disk by downloading ISO file. After that I did not install that version and then when i checked my 1 TB hard disk was showing only few GB (if i remember less than 10 GB of space). When i checked in disk management total space split into 2 and i deleted one which is the less than 10 GB one i mentioned before . Now External HDD shows in Device Manager as proper device name and I'm even able to "safely remove USB drive" using the windows utility.

Now the situation is I can see the hard disk in disk management, safely remove USB drive and also in the WD utility software ( but it shows not writable). I cannot see in My Computer and neither read or write is disabled.

I tried couple of things myself by going to disk management.

I went to format and tried changing the file system to NTFS and also exFAT. but both time same result..... Please help me with that.

Answer:External Hard disk suddenly stopped showing in explorer

samuob said:

External HDD shows in Device Manager as proper device name and I'm even able to "safely remove USB drive" using the windows utility...
...I cannot see in My Computer...

Welcome to TenForums!

To see the drive in File Explorer it needs to have a drive letter assigned to it. Your screenshot of disk management shows that it doesn't have one yet. In disk management, right-click on your 'Disk 1 New volume' and select 'Change Drive Letter and Paths...' to add one.

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I've had my Acer Aspire 5310 laptop for a few months now with Windows Vista. I have an 80GB hard drive, partitioned into two drives as default.

Until now I've never noticed that the numbers didn't add up. I know when you buy and 80GB hard drive, it should actually show up as less due to bits and bytes and what not (80GB=74GB roughly) but I found something fishy in Disk Management. There is a drive showing up with no letter assigned to it which is nearly 10GB in size and after doing the math it accounts for the 10GB i lack after adding my two 32GB hard drives together.

So I have 2 x 32GB drives plus this weird drive which is 10.

I have attached the screenshot of disk management.

If anyone knows what is going on here I would very much appreciate it!

Cheers, Darren (newbie)

Answer:Problem with Vista Disk Management/Being robbed of hard disk space!

has this just recently appeared? This is a longshot, but if you have Kaspersky lap installed then that could be the problem. It autologs roughly 10 gigs of data without your permission, it is easy to get rid of, but annoying none the less.
However this doesn't seem to likely as what seems to have happened here is that you have accidently split one of your hard drives into two. Either that or a program like deamon tools has created a virtual drive. Do you use either deamon tools or alcohol 120?

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I am facing problem of unable to shrink c drive in my windows 7 home premium.I have read everyone writing in about not to change the hard disk to dynamic type,but after partitioning one time using disk management now all my partitions are dynamic type & I still have 288gb left in c drive.
I need help.

Answer:hard disk changed to dynamic type after using disk management

Read this tutorial on how to covert back from Dynamic. Convert a Dynamic Disk to a Basic Disk

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I have a samsung SV0411N ATA IDE hard disk, just enough to meet my memory needs.the problem is it doesn't get detected, there is no mention of the device in MY Computer. I tried to install XP on it, but set up displayed a message saying it could not read the drive.I used Vista disk management, from another HDD and in disk management, the disk finally showed up. but as soon as i start disk management, it asks me to innitialize the disk, i click OK, it returns data error (CRC). and then in the disk management window the disk shows up as a 37 GB unallocated space.when i try to create a new simple volume, it says "operation cannot be completed because the disk is not innitialized"Chkdsk dosen't read the drives, the samsung doesn't even have a drive name yet.

Answer:Hard disk not working but detected in BIOS/disk Management

In disk management, right-click on the drive and format it.

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Hi to all seven forums.
I bought a new 1tb hard disk, and I connected it to my pc as slave, and when I creating the partition in windows seven disk management and right click to creates new partition, it had four option.
1. simple volume
2. spanned volume
3. stripped volume
4. mirrored volume.
plz tell me quickly which option will I click for creating partition..
I want this partitions..
C: 30gb
and the remaining space is equally divided to 3 partition..
plz hurry guys..
I m waiting and stick on this..

Answer:Need quick help about new hard disk partition on win 7 disk management

Can you post a screen shot of Disk management?

Screenshot tools.
A Preferred Method of Uploading/Posting Screen Shots
How to Use the Snipping Tool in Vista - Vista Forums
Snipping Tool - Windows 7 features - Microsoft Windows
Use Snipping Tool to capture screen shots
Screenshot with Paint
Screenshot and Upload using MWSnap
fscapture free download

Use Snipping Tool to capture screen shots

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-when i try to connect the external 1tb western digital harddisk it simply doesnot display any thing and when i go to disk managment it shows "not initilized" i tried to initilize it but i got this error''hard disk not initilizing i/o device error" it doesnot shows any property or size of hard disk.i also tryied to repair it with comand "chkdsk/r"but there it said""cannot open volume for direct access""and also my harddisk is encrypted and this error occured when i was downloading torrent directly into external pc also go frce shutdown due to absence of electriccity
..over all i cannot see hard disk on my computer and cannot open it..tried it on other computers also
<Event xmlns="">
- <System>
<Provider Name="Disk" />

<EventID Qualifiers="49156">11</EventID>




<TimeCreated SystemTime="2013-11-01T11:40:14.311802300Z" />




<Security />

- <EventData>
<Data>\Device\Harddisk1\DR1</Data&g... Read more

Answer:external encrepted harddisk hard disk not initilizing and showing i/o device error

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Have recently formatted my laptop and re installed Windows on my normal HDD because i have a small SSD since formatting my SSD and deleting and renewing the old partition, in windows explorer and disk management i can no longer see my SSD. I can see my SSD in Bios and in the Intel Rapid storage technology app, but cannot understand why i cannot use my SSD, Any help would be much appreciated.

Kind regards


Answer:SSD not showing in Disk Management, but showing on Intel Rapid Storage

Could we get some more information?

Does this laptop have 2 hard drive bays? Did it always have 2 hard drives?
What does "deleting and renewing the old partition" mean?

What I suspect is that the SSD has a partition that is still marked ACTIVE. Windows will boot from one Active partition and ignore the other. So if the SSD has just one partition that is marked active then the whole drive would be ignored.

If you deleted the partition in Disk Management or some 3rd party program then that would have taken care of the Active flag on that partition. But if you just deleted the contents of the partition that would have left the flag.

Let us know what you did.

EDIT: I should add: any partition that contained an operating system will have the active flag. This is not something you would have had to do yourself.

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This is my first post in this Tech Support Forum,
When i go to Disk Management i am unable to see any disk partitions in that area only i can see the dvd Rom drive no hard disk and its partitions.
I can access the hard disk from explorer, go to any drive it dosent seams any problem there i can able to do whatever i like to there is no issue.
The only problem is that i am unable to locate my hard drive from Disk Management.
Hope I can able to do justice to the question, as i not a very good at computers so bear with me
thanks for any help regarding this issue
thank you for urs help and suggestions

Answer:Not able to see hard disk partitions in Disk Management

Please attach a screen shot of Disk Management so we can see what your seeing.

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my hard drives are working properly but they are not displayed in the disk management.
so what can i do for it?
and my computer icon on the destop was deleted by mistake so from where i can get back my computer icon also i deleted the icon from the recycle bin..

Answer:hard disk not displayed in disk management

Hi chinu89,

As far as the icons go, the following tutorial covers the procedure to restore both the icons you mentioned: Desktop Icons.

Do your drives show up in Windows Explorer?

Please attach a screenshot of Disk Management so we can see what it looks like as things currently exist. It will be easier than asking a dozen questions about what is or isn't there. We can then proceed from there.

Also, please update and run a full AV scan with your security software. Also, download, install, update, and run a full scan with Malwarebytes: This type of problem can be caused by malware - so let's rule that out.

I hope this helps.

Thanks and good luck!

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I have a SATA Hard Disk, it was working ok then I stopped using the computer for about 3 months and when I turned it back on the Hard Disk is not showing in the BIOS or in the Disk Manager, what could have happend and is there ANY way it can be fixed?


Answer:Hard Disk not showing in BIOS or Disk Manager

Did you reset CMOS? check in BIOS what method your HDD is using.

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I recently bought a Samsung 850 Evo 500GB which, for now at least, I want to use to install games on (I have another smaller SSD running windows). The drive shows up in my bios and in drive manager but not in disk management. Can anyone help me get this drive working?

I am running windows 10 and my motherboard is a Gigabyte GA-Z97X-SLI.

Here is a SS from device manager and disk management:

The Samsung SSD in this image is simply the DVD in the DVD drive:


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i bought a brand new Samsung 3.5 SATA hdd of 160GB, model HD161HJ internal
it can be seen on bios and device manager/disk drive but its not showing on disk management! thats why i cannot format it.
what should i do?
is my samsung hdd broken?

this my hardware:
processor: AM2 A64 LE1620 s940
mb: MSI K9VGM_V [email protected] [email protected] PCIE LAN
memory: 512mb ddr2 pc533/667
1GB ddr2 pc667 (upgrde)
hdd: maxtor 80gb stm380215as sata
samsung 3.5 SATA hdd 160gb( the one that is not showing in disk mngmt)
vc: inno 3d 7200gs
cdrom: LG combo 52x/32

please help me!!!:cry

Answer:2nd hdd is not showing on disk management

:wave Welcome to Major Geeks! :major
You can download the Samsung diagnostic tool from this direct link. The download is an ISO image file which must be burned to CD as an image, then you'd boot to it and run the diagnostic on the drive to be sure it's 100% healthy. If it's new, it is under warranty and can be returned for a replacement if needed. You can also try a 3rd party partition tool like Easeus Partition Manager or a bootable tool like Partition Logic; both programs are 100% freeware. Good luck! :-D

(BTW- you didn't mention which version of Windows you're using... it shouldn't matter, but it might )

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 USB.jpg   66.11KB
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  0 downloadsDear all,
I will enclose here my complaint which I send to motherboard maker Gigabyte, regarding USB external hard disk problem. Please read it and if anybody knows how to solve this, thanks.
My computer has external hard drive connected to USB 2.0 port(s), which is extremely slow. Drive is Transcend StoreJet. No drivers exist for it. It works perfectly for other I/O operations like copy, paste, delete,etc. When I try to make hard disk image with any program, and store it on Transcend Store Jet, speed starts with 50MB/s but drops to nearly zero in few minutes. You can see example on attached picture. It is the same with any program. Disk image would take more than one day to complete, if it completes at all. Actually, I never managed to finish image with any disk imaging software. I tried all usual software for that: Paragon, Aomei, Acronis, EaseusToDo, Drive XML, etc. Are there any USB or other drivers which are responsible for this issue? Can Gigabyte be serious regarding its costumers and provide them solution in order to use USB ports for most important thing (backup)? In this case, making disk image is totally impossible. USB 2.0 ports have speed оf 480 Mbit/s, theoretical. This is far cry from situation here. So, ... Read more

Answer:Problem with slow (impossible) disk image making on USB 2.0 external hard disk

This could be any issue causing your problem , software , usb drive may have errors on it / or ?
Imaging your 150 Gig via Usb will take time { Mine are about 40-50 Gig } Operating System And Programs Only.
I personally partition my main Drive eg: c:\ and d:\ and so only the operating system is on C;\
Then use the D;\ to store your personal files. , this way your c:\ wont keep growing in size as you are storing everything there.
If you cant actually do anything with the computer because of warranties as you stated "just serviced" , ask them why you cant Image Drive.
1/ Try another hard drive to backup to.{ Usb will always be slower } than directly connected to Mobo.
2/ Use Mini Tool Partition Wizard [ Free } to create another partition -
3/ Remove all Temp Files / Restore Points / etc with Ccleaner { Free ] -
    this will reduce C:\ size to minimal size { defrag drive also }.
4/ Use any program to Image C:\ { I use Acronis }. to the D:\ Backup Folder.
5/ Then copy the image to any portable drive or external if need be.
6/ Use the D:\ for your personal files and folders as a backup also.
Sometimes you have to do things yourself - than rely on Service Centres and Costs.
If you run a Business then you claim all your costs incurred.
All this will take time but you will have backups and feel at ease.

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Hi guys, I'm kinda primitive and still using win XP SP2, but I need your help. I backed up my valid information on a hard disk a friend gave me and now it is not showing up. I've search all over the net but to no avail, so am forced to join this forum. I need those information badly; so please,somebody...anybody... HELP.Attachment 296589Attachment 296594

Answer:second HDD not showing in My computer, and disk management

This is a Windows 7 Forum. Check this out for XP. Thanks,
Windows XP Forums

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Hey guys,

I?ve been googeling this for a few days and can not seem to find the answer. So here goes...

I have a 2TB seagate barracuda HDD that is not showing up in:
- disk management
- CMD -> diskpart -> list disk

It does show up in:
- device manager
- bios
- Intel rapid storage technology


CPU: I5 6500
Motherboard: GA-Z170XP-SLI
Windows 10

I also tried switching out cables and ports. Same results.

Any help or further questions would be awesome. This is starting to piss me off...

Answer:WIN10 2TB HDD not showing up Disk management

Can you try the HDD in another PC or can you lay your hands on a SATA docking station to test if the disk is a dud or not
I'm assuming the disk is new, has it ever been working before in any circumstances?

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My ps3 hdd recently pooped out on me after a power failure.
It is relatively new at only a few months old so I figured that the HDD can't be dead (I may be in denial ).

I was not able to format it with the PS3 itself so opted to just do it in my Windows 7 laptop.

I stick it in to my enclosure but it does not get detected in MyComputer or the Disk Management tool.
I know my enclosure is working because I use another HDD for it to store my files.

I downloaded swissknife as I read in some threads that it might work but swissknife does not detect it either.

Is there some way I can access it to do a format?


Answer:PS3 HDD not showing up in MyComputer & Disk Management

Sounds like you are in denial.

What exactly do you mean by "it pooped out on me after a power failure"?

You saying that your power went out and then wouldn't work after that?

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Hey guys,

I?ve been googeling this for a few days and can not seem to find the answer. So here goes...

I have a 2TB seagate barracuda HDD that is not showing up in:
- disk management
- CMD -> diskpart -> list disk

It does show up in:
- device manager
- bios
- Intel rapid storage technology


CPU: I5 6500
Motherboard: GA-Z170XP-SLI
Windows 10

I also tried switching out cables and ports. Same results.

Any help or further questions would be awesome. This is starting to piss me off...

Answer:WIN10 2TB HDD not showing up Disk management

Can you try the HDD in another PC or can you lay your hands on a SATA docking station to test if the disk is a dud or not
I'm assuming the disk is new, has it ever been working before in any circumstances?

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Dear Friends,

I am using a laptop with windows 7.While using my antivirus detected some trojans and deleted also.But now my hard disk is not showing in disk management but showing in windows explorer.And also I tried to take backup using windows backup.That also showing some error.I think it is a virus affection.But no antivirus is detecting virus.I tried some rootkit revealers also.

Can somebody help me.

Answer:H/D not showing in Disk management Windows 7

Try this.
System Restore

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So I got a 3TB HD and try to format to get the most out of it but I can't format the extra 746.52GB to use it. So my question is what up? I Google it to try and find out why but can't figure out what up.

I try this information.

So I'm a little lost. Attach CPU-Z to the attachments.

Answer:TB3; Showing Up Weird In Disk Management

Currently your HDD is initialized as a MBR disk. Legacy MBR mode can only address up to 2TiB - any space beyond that will be unusable. To work around this, you need to initialize and partition the disk under "GUID Partition Table" scheme (GPT). You can do this easily with "Partition Wizard" freeware.

Download link : Best Free Partition Manager Freeware and free partition magic for Windows 7, Windows 8, Windows Vista and Windows XP 32 bit & 64 bit. MiniTool Free Partition Manager Software Home Edition.
I would recommend watching the official video guide : How to Wipe Partition with partition manager? Partition Wizard Wipe Partition Help Video

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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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Hi, My Seagate 2TB external hard disk is not getting detected by my PC, doesn't show in 'Safely remove hardware' option.

However, based on one old thread, I installed Partition Recovery Wizard and this is how the scan looks. Please help.

Answer:External Hard Disk not detected, visible in Disk Manager

Please find the screenshot of disk management

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If I am saving a backup to internal hard disk vs USB 3.0/2.0 USB external hard disk

1. Backing up to an internal 3.5 hard disk vs backing up to an external 2.5 hard disk using USB 3.0, roughly how much extra time would the external backup need to complete the backup process?

2. Backing up to an internal 3.5 hard disk vs backing up to an external 2.5 hard disk using USB 2.0, roughly how much extra time would the external backup need to complete the backup process?


Answer:Speed of saving to internal hard disk vs USB 3.0/2.0 external disk?

There's no definitive answer, it would all depend on which internal drives you had (SSD/HDD, SATA 6GB, SATA 3GB) and which external drives you had and their relative transfer speeds. It's all just guesswork without that info.

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Hi, My Seagate 2TB external hard disk is not getting detected by my PC, doesn't show in 'Safely remove hardware' option.

However, based on one old thread, I installed Partition Recovery Wizard and this is how the scan looks. Please help.

Answer:External Hard Disk not detected, visible in Disk Manager

Please find the screenshot of disk management

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I have run into a problem that has been causing me quite a bit of headache as of late. A week ago, my WD Elements External Hard Disk is not displaying under hard disk drives, but does display under Devices and Printers. This is what it shows under computer management:

I have tried to initialize the disk using MBR and GPT options but failed receiving I/O Disk Error.

Please help, thank you.

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hi all,

i would like to ask you a very basic question:

What is the difference between an external hard disk and an internal hard disk mounted on external enclosure?

Is using internal hard disk in external enclosure risky in terms of loosing the data?

Is using internal hard disk in external enclosure reliable to use?

kindly let me know as there is a vast difference in the price of these hard disks. The external hard disk is costing more and if i use internal hard disk in external enclosure price is very much reduced.

my only concern about using internal hard disk in external enclosure is the reliability.

thanks in advance,


Answer:External Hard Disk v/s Internal Hard Disk in External Enclosure

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My computer keeps refusing to start up. I have to re-install windows each time. Hard disk keeps making a "funny" noise. I have an 80gb hard drive and have used 40gb so far. I want to back up everything incase my hard drive fails. Could I backup to an external disk drive? would I need to install windows on the external drive. or is there a better way to save all my files, downloads, and software? When I bought the PC it came with software already installed and a recovery disk. But obviously I dont want restore to factory settings as I will loose everything. Any advice would be much appreciated.

Answer:backup from hard disk to external disk drive

You could use commercially available back up software like Ghost click here or Acronis click here

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Is it possible to create the recovery media on an external hard disk instead of using USB flash drive or optical media?

I've been getting errors while creating the the recovery media on optical drive.


Answer:How do I create a recovery disk using external hard disk?


As far as I know it?s impossible to create an Toshiba image on the HDD?
You need to burn the image on the disk (DVD).


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Hi there,

So I am here because I am having some hard drive problems. Firstly for my Primary drive i am still running my old 250gb Hard drive (with windows already installed on this drive). Secondly, for my slave drive i have a Samsung Spinpoint 1TB Hard drive that wont display in my bios or in disk management. The 1TB drive seems to spin up fine etc. but i just can get it to display so i was just wondering if someone here could help me get this to work so i can format this new disk. Also i must add that my motherboard is an ASUS p8z68-v-pro board.

Thanks in advance

Answer:second Hardrive not showing in bios/disk management

check the connections--make sure that the drive is connected to one of the BLUE sata3 ports (there should be 4) and NOT to the GRAY sata6 ports (should be 2 ports)

it is also possible that you 'might' need to update your BIOS (but this could be a bit extreme) or firmware--see:

ASUSTeK Computer Inc. - Motherboards- ASUS P8Z68-V PRO


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Ok I'm starting a new thread as requested. I've attached screenshots of my problems.Disk management is empty apart from my dvd drives. One is real and one is from magicdisk or daemon tools. My hard drives and anything I plug in doesn't show up in disk management or My Computer BUT they do show up in Device Manager. I have made sure the right processes for disk management are starting up. When I first discovered disk management was empty, I tried clicking rescan disks. Nothing changed in disk management but several drives disappeared from My Computer. A restart fixed it.When I plug in my usb drive, I get the safely remove devices thing in the taskbar and it plays the connect sound. It also shows up in device manager.I have been using a lot of different virus scan programs to get rid of whatever is doing this but to no avail.I tried rootkit revealer and it showed a couple of entries in the registry that I couldn't delete. I scanned with Avira and it found them too but apparently it couldnt delete them either. Maybe this has something to do with it.I remember doing a fix before where the controlset001,002 were used by a virus. Any ideas on how I can get rid of these hidden entries?I've already scanned for rootkits and done virus scans and everything i could think of. Updating drivers does nothing. Its not because of something I have installed. I haven't installed anything new since it happened.pc info:xp version 5.1 build 2600, service pack 2.I get ... Read more

Answer:Disk management empty, USB drives not showing up

Please go to,46313.0.html and post the 3 logs, so an expert can properly help you.

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My External Drive is normally assigned the letter G, however when I plugged in it now it was assigned H. Looking in Disk management, G does not show up in the list of letters available to change the assigned letter to, and it does not appear in disk management as being assigned to any drive I currently have.

I saw another thread on this and it said to go here in the registery:


And rename the letter after the "DosDrives part"

I tried that but it still did not free up Letter G, and I also tried deleting the entry that appears for G:


But that also did not free it up and when I opened the registry again that G: entry was back. There are also others keys in the folder like:


That maybe assigned with these letters somehow so I'm wondering if anyone knows what else I should delete or change to be able to assign the letter G again.

Answer:Drive Letter not showing up in disk management

Not sure what the deal is with that but out of curiousity are you using the same USB port when plugging in the drive?

Also have you done any BIOS updates or changes recently?

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DVD/CD drive is not listed on "Computer" nor on "Disk Management"

Windows "Trouble shooting" reports "TSSTcorp CDDVDW TS-L633J" is missing (or corrupted ?)

With a DVD movie in the drive, the drive spins up but does not auto play. It just spins down and stops. The drive is not listed in VLC.

Four days ago I uninstalled (using RevoUninstaller) some ancient apps I never use with a restore point before each uninstall. 4-Feb, 5-Feb
1. CloneDVD2.exe
2. AnyDVD.exe ... this one was a ring in (unsolicited)
- both by ... there is an obvious omen in there ...

I have tried 3 system restores, one each before the unstalls and one a daily (1-Feb) system restore. Each System Restore failed.

On the third "fail" (1-Feb) I decided to try Windows Troubleshooter, targeting devices and hardware

After the attempted fix ...

I am way in over my head, this is the first system Restore I have done in 25 years.

For the past 12 months I have been reading up on virual drives, imaging, OEM backup, recue discs etc ... all a bit late for todays dilema.
I have never made a media disc of the OEM -- could I do that onto a USB stick (or USB pocket drive) or must it be a CD/DVD ?
recently I made a "Rescue Disc" for my new unused Lenovo ... so I am learning

How would I know if it is a hardware or a driver problem ?

Would appreciate some help, thank you

--------... Read more

Answer:DVD/CD drive not showing on Computer nor Disk Management

Any easy hardware check: Try booting from bootable CD/DVD. Boot from CD/DVD is handled by BIOS (and before Windows even starts running). So if it boots from media OK, it's a windows issue

To check Windows, download and run Filter Load Order Tool. Is the DVD drive listed in the display? If so, select it then hit the Clipboard button in the display. Paste the results into next post

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Hi guys and gals.

Just wondering if there is any one here that can help me.

I just recently noticed when I went into control panel - administrative tools - computer management that my disk management add in/snap in is missing information.
It should show me my drive numbers and more. Also there is no right click options when I try to use them on the partitions.

Check the picture attached

Probably a microsoft tech would know the answer.

Thankyou and have a nice day

Answer:Disk Management Not Showing Properly Win Xp Home Sp2

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My 1tb HDD is not showing up under Windows XP (or Win 7 as I tried via USB connection on another PC) except for when I view it under Disk Management, and it shows up there as DISK 6 and has a red mark beside it. It does not assign a drive letter. I click "reactivate disk" but it doesn't work. BIOS detects it as Generic Disk.

The good news is I downloaded some HDD undelete software that has found it and it allows me to copy across files (even ones I haven't deleted) to a working HDD. The bad news is it is a almost full 1TB drive and unless I buy another, I do not have any other space to copy the files to.

Does anyone know what the problem sounds like ? I thought it might be the allocation table, but I was told by a friend that Windows should still mount it if that corrupts. But the Undelete software views even the label name and everything, so it is strange. The only difference between this and my other drives in the GUI is the first label for it seen in the undelete software is "I: Dynamic Simple" rather than the proper name "Storage Drive 3", but if you then click the + beside the info it opens up to show the proper label name and then all the correct files.


Answer:Solved: HDD not showing up in Windows, except under Disk Management

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Please help, I'm pulling out my hair here!

None of my usb drives are showing in My Computer. None of my drives are showing in Disk Management at all! (not even my internal hard drives)
I've tried my external HD, Flash drive, ipod, & my digital camera. Windows plays the normal sound when I connect them but nothing happens. None show up in my computer. The ipod charges as normal and I can print via usb.

The only things listed in My Computer are my 2 internal HDs C: & D: and my DVD drive H:

Thanks for any help.

Running Win XP

Answer:USB Drives not showing in My Computer or Disk Management

Restart your computer.


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Hi all,

I'm having a problem with a 3TB Western Digital Red drive.

It does not show up in My Computer, Disk Management or Device Manager or diskpart >> list volume.
Also a no show in the Western Digital Data LifeGuard Diagnostics tool and CrystalDiskInfo.

It does show up in BIOS (See screenshot) and also in the Intel Rapid Storage Technology tool (See screenshot)
In both places it is showing as 0GB though.

What I've tried:
Unplugged all other drives except the C Drive and the 3TB WD, same result as above.
Unplugged all other drives except the 3TB WD and launched the installation CD for both Windows 7 and XP to see if either would recognise it. Neither did.

I'm out of ideas (I did see a few things online I didn't try, like uninstall the IDE ATA/ATAPI controllers from the Device Manager, since I don't really know what that means I didn't)

Answer:3TB WD not showing in My Computer, Disk Management but does in BIOS

Try this.....
I have a 3 TB drive. Windows 7 Ultimate won&#39;t format more than 2 - Microsoft Community

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What is the difference of 3.5 external hard disk (e.g. WD My Book) vs a 3.5 internal hard disk fixed into an enclosure to work like an external hard disk?

Are both good to be use as an external drive to store backup?

What 3.5 enclosure is good?


Answer:3.5 external hard disk vs 3.5 internal hard disk with enclosure?

What do you mean fixed into an enclosure to work like an external drive? Are you referring to a My Book 3.0 VIA USB 3.0.... vs.... an internal SATA III SSD or HDD? Be a little more specific.

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i have a 80gb internal hard disk since it was not sufficient i switched up to a 500gb hard disk so i want to know whether i can use my 80gb hard disk as an external hard disk
if so how please instruct me

Answer:how to change a internal hard disk to a external hard disk

Is the 80gb drive ide or sata?

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I have a Samsung s2 1tb external hard drive.

Today when I hooked it up to my laptop it would not load. It will shows local F drive when it usually will say samsung Drive.

A pop up box will then appear stating "you need to format drive"

I know if I reformat it I will lose all my data which I will not do.

When I look in device manager it states that the external hard drive is installed.

I attempted to go through start menu and type cmd then F: and it states "The volume does not recognize this system file. Please make sure all required system drivers are loaded and the volume is not corrupted."


Answer:Samsung s2 external hard drive not loading showing local disk F drive

With the external drive connected, Go to Disk Management (Start > type: "computer" > click on Computer Management > click on Disk Management)

Determine which disk is the external drive.
If the external drive shows here as a healthy volume, Right click on the large box to the right of the "Disk 1" / "Disk 2" lable and choose: Change Drive Letter and Path.

If there is nothing but a grey box or "Unallocated Space" next to the disk number then Right click on the disk number (the box) and choose: Change Drive Letter and Path.

Change the drive letter to anything else > OK.

If you can't do any of the above post back. If you can post a screen shot of the Disk Management window that can help.
Do not initialize the disk or format it or you will lose your data.

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i just upgraded to Windows 7 ultimate. I have 2 striped 250g sata running my OS. 1 IDE 150gb as back up and another 1TB SATA as back up. all my drives are reconized in my BIOS and all but my 1TB WD is showing up in my disk management and device management. All my drives have been formated and partitioned at one point, everything have data on them from my last OS its just when i did a clean install of win 7 on my striped drives my 1 TB will not show up anywhere in windows.

I even downloaded a few programs to see it they could detect the drive and no luck. I know the drive is working wince i was usung it 2 days agao before i installed the new OS. and it is shown in the bios, plus i can feel the disk spinning on the inside of the drive.

any help i been banging my head for 2 days

FYI my mobo is a Asus a8n32 sli delux with the most up to date non bata bios

Answer:WD10eals not showing up disk management Windows 7 Ultimate 64

Do you mean you cannot find it on My computer?

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Hi there,

I've a Hitachi 500GB SATA HDD, Windows 7 Ultimate 32bit. The other day i was just playing around with Disk Management and unintentionally right clicked on one of my drives and clicked "Rescan". The Disk Management did something for a while and then my PC restarted and that particular drive disappeared in my computer. Although I'm able to see the partition in Disk management but not in the list of volumes but in the bottom view of my disk. That partition does not have a Drive letter, I've tired to change the drive letter but it says "the disk management view is not up to date" I've tried some partition Manager software to assign a letter to my drive but all in vain. I've also found a solution to the error "the disk management view is not up to date" by updating my windows but that too didnt work for me. I've very important data on that drive and i really want it back. Tried every single thing googling around and used DiskPart in MS Dos also, nothing worked. Any suggestions?

Answer:Partition not Showing in Win7 After Rescan in Disk Management

Quote: Originally Posted by was33m

Hi there,

I've a Hitachi 500GB SATA HDD, Windows 7 Ultimate 32bit. The other day i was just playing around with Disk Management and unintentionally right clicked on one of my drives and clicked "Rescan". The Partition Manager did something for a while and then my PC restarted and that particular drive disappeared in my computer. Although I'm able to see the partition in Disk management but not in the list of volumes but in the bottom view of my disk. That partition does not have a Drive letter, I've tired to change the drive letter but it says "the disk management view is not up to date" I've tried some partition software to assign a letter to my drive but all in vain. I've also found a solution to the error "the disk management view is not up to date" by updating my windows but that too didnt work for me. I've very important data on that drive and i really want it back. Tried every single thing googling around and used DiskPart in MS Dos also, nothing worked. Any suggestions?

You don't mention the product you tried, but MiniTool Partition Wizard is a solid product which has great instructions for usage on their web site. Additionally, they provide free e-mail support and have been very responsive to my requests for help.

You can visit their site at;

Free Partition Magic alternative, partition manager freeware, partition magic server, partition magic Windows 7 a... Read more

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Hey everybody,

I am newly discovering drive partitioning and thought I would try it on my new HP 2570p Elitebook. I can't figure out why my computer is showing double drive partitions for D and E drives. Anybody know why this is?
Also can anyone explain what the 1000MB and 100MB "Healthy" drives are used for. Can I delete them and merge with my C: drive for more memory?
(On a side note disk management and computer management aren't even giving me an option to delete when right-clicking on the drives)

My ultimate plan is to install windows 7 on C: drive solely by itself to get rid of all the bloatware that came with my computer, and have a partitioned D: drive for all my pics/music etc. using partition wizard. I'm hoping to maximize hard drive space because I have a 128 GB SSD.
Please use simple terms because I am new to all this!
Thanks for all the advice/help in advance.

Answer:Disk Management showing double drive partitions?

Welcome to SevenForums!

Hopefully one of our experts will jump in to help you.

But meanwhile, my advice is to search on this forum and Google for what you want to do. Changing partitions is serious business for the uninformed!

Your PC has a UEFI bios and I would not want to give you misinformation. But I am sure deleting the 100Mb and 1000Mb partitions will not be a good thing! Besides you will only gain 1Gb.

Also check with HP to find if your notebook can use a second SSD, that would be your best option.

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There is no drive assigned. I wonder what it refers to? I've checked the registry but can't figure it out. How would I remove it?

Answer:A phantom removable drive is showing up in disk management

Ah, forgot I had a card reader. I assigned it a letter, and inserted media, and it's OK now.

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I found this older post from 2007, but the problem was never solved and the thread
was closed. I ran into the same problem, but eventually figured out the answer on
my own. Please read:

Windows XP - Nonexistent drive listed in XP and two letters assigned to same partitio
I recently installed software that allowed Windows XP to access linux partitions (EXT2) on an external drive (assigned them to P: and V: ). Once I had copied out the files I wanted from those partitions, I uninstalled the software and reformatted the drive to NTFS (assigned to Q: ). The software I used was Ext2 IFS (

Disk Management shows that drive as only having one partition (74GB, Q: ). However, the other drive letters are still listed in My Computer (and any Explorer dialog). When I try to open V:, it gives a long dialog that starts "V: refers to a location that is unavailable." I would be okay with leaving that one. The REAL problem, in my mind, is P:, which opens the same file system as Q:. I've never had two letters pointing to the same drive before, but I can't imagine it's a very good idea.

Any suggestions on how to remove these drives from Explorer? I am comfortable navigating the registry, if that's what it takes (as long as you're comfortable telling me correctly what needs to be removed/altered in the registry).

Things I have tried:

1) Looked in Disk Management -- not listed.
2) Looked in Device Manager -- not listed as volumes for ... Read more

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I tried to connect an external drive that wasn't showing up so I went into Disk Management and tried to enable it. I was not able to get the drive to work on this laptop but now when I look in Disk Management, it's showing a volume for a 12GB hard drive that is not connected. In addition, to the right of Disk 0, it shows 3 partitions now. The first is the 12GB  "Recovery Partition", then the 102MB "System Reserve" which is normal and then the C drive which looks normal.There is no 12GB HD connected to this laptop. When I right click either on the volume on top or the "partition" below, it doesn't give any options besides "Help", which is pretty useless.Here is a screen shot:Any idea how to delete this volume/partition?I tried system restore, by the way. It didn't remove it.

Answer:Disk management showing volume/partition that does not exist.

You say you believe the 12GB partition/drive should not appear in Disk Management, yet it's clearly labeled Recovery Partition.  So, the 12GB partition is the Recovery Partition put there by Acer and it's there in case you need to restore your system to it's original configuration.  This, i.e., a Recovery Partition,  is standard on practically all computers on the market in recent years.  And, if you use the Recovery Partition to restore the system, the Recovery Partition will continue to exist after you've done a restore. So, based on your post, I really don't see a problem.  Can you re-state or clarify what you feel is the problem?

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I will try and be as thorough as possible. First of all I have an external HDD, which comes up in Windows as "WD My Passport 0740 USB Device".

I used to own a MacBook Pro but it was stolen last year. I now have an Asus Vivobook running Windows 8.

I have tried multiple times to access my external hard drive using the new laptop, to no avail. I am aware of the file system differences between Mac and PC and I am pretty sure I took this into account when I initially formatted the HDD, however it may be HFS format.

I have updated all of the drivers, tried in both USB 2.0 and 3.0 ports on 2 separate laptops, running Win 8 and XP and have also downloaded the HFSExplorer program as recommended in various forums.

I still cannot see my device in explorer. I have checked in Disk Management and the device shows up as "Healthy (Active)", however no drive letter has been (or can be) assigned and the field under "File System" is blank, whereas other partitions show FAT, FAT32, NTFS etc.

I'm at a loss of what to do. I no longer own a Mac and have no way of taking everything off the hard drive and reformatting it. Am I missing something here? If someone could shed some light on this it would be much appreciated.

Tech Support Guy System Info Utility version
OS Version: Microsoft Windows 8.1, 64 bit
Processor: Intel(R) Core(TM) i3-2365M CPU @ 1.40GHz, Intel64 Family 6 Model 42 Stepping 7
Processor Count: 4
RAM: 3979 Mb
Graphics Card: Intel(R... Read more

Answer:WD Passport showing in disk management but not explorer (Windows 8 and XP)

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There is no drive assigned. I wonder what it refers to? I've checked the registry but can't figure it out. How would I remove it?

Answer:A phantom removable drive is showing up in disk management

Ah, forgot I had a card reader. I assigned it a letter, and inserted media, and it's OK now.

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I have a 750 gb hard disk and I wanted to partition the disk so that I can mount Centos (i.e operating system) however Inspite of having 262gb free space its shrinking and only showing 15gb. I used windows defragment and even auslogics disk defragment but nothing worked. Please help.

Answer:Windows disk management showing wrong capacity

Please post a screenshot of disk management.

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SO basically, i'm doomed.

when i plug the damn thing in, SOMETIMES windows will say that it is "not recognized", and SOMETIMES Windows won't say nuthin at all. jsyk i've tried 5 times, and only one time windows responded with that uplifting message.

i tried searching for the device in my computer, not there. there is no "removable disk" icon either.

i also tried going into disk management, not there either.

oh and i've also tried this on 2 other computers.

SO therefore I assume that the thing is un-salvageable. UNLESS of course one of you angels reveal that it is not actually a goner, and that i can actually still access it and save my life. in which case it would just mean i'm a complete tech noob. however, that optimistic situation seems highly unlikely, and therefore i shall return to my assumption that i am doomed.

seeing as life is so, is there any way i can recover my data from the thumbdrive? and no, i can't send it back to the dealer because i never actually bought the thing; it was given as a door gift at someone's birthday. IKR.

so yeah.

Answer:Thumb drive not showing up in Disk Management or My Computer


it sounds well stuffed, however i did a quick google on the subject


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My 1 TB external HD was working fine in my PC until I connected it to a Mac, after that I can't see it in My Computer, I could only see it in Disk Management, I just want to know if there is anything I can do, can anyone tell me from the picture below if i lost all my files, if the HD is corrupt can I use one of those programs that recovers lost files, does anyone have any recommendation?

Answer:External HD in Disk Management

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i am having a 150 gb hdd with windows 7 64bit on it, i have 3 partitions in it,now i baught a new hard disk so i want to make one single volume from the full 150 gb, i was able to delete one partition but another one is not showing the delete option please help
thank you

Answer:Drive is not showing the delete option in disk management, how to dele

To be clear: you bought a new hard disk. Did you install Windows 7 on that new disk?

Now you are working on the old hard disk (150GB). Is there any data on that disk that you want to save?

The first partition that you deleted (101MB) - was that the System Reserved partition?

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I have a Dell Dimension 4700, running Windows XP service pack 3 and recently I had Trojans in the took me a while, but my system seems to be pretty much back to normal, I had to turn off system restore and turn it back on to get rid of one Trojan, so I can't turn to it for help.  Anyway, I recently noticed that when I plug in my USB 2.0 Flash drive or my iPod nano it won't show up in my computer.  The remove hardware icon appears and I can safely remove it, but I can't access the devices.  When I check the remove hardware icon, it tells me the device is at location 0, which I can't figure out.  I looked under disk management and it shows my D drive, the CD drive, E drive, which is CD-RW and F drive, DVD drive...which is confusing.  I never paid attention, but I only have two slots that open on the PC...I don't even actually remembering having a DVD drive, but then I never tried to use it.  It says no media on it anyway.  I can't change the path of the USB Device since it won't show up under disk management.  My mouse and keyboard are USB, and they get picked up, and when I check hardware under C drive, I get this for the following drives:WDC WD800JD-75MSA3 Location 0 (0)  -- I actually don't know what this is...hard drive?USB 2.0 SD/MMC Reader USB Device Location 0HL-DT-ST DVD ROM GDR8163B Location 0 (0) SAMSUNG CD-R/RW SW-2525 Location 1 (1)PM5302J RSW601D SCSI CdRom Device Locat... Read more

Answer:USB Flash Drive/iPod not showing up in my computer/disk management...

You are probably still infected...Visit our Virus and Spyware section and follow the instructions at the top of the page for posting your logs....BTWYour drives as listed are:Hard DriveCard ReaderDVD burnerCD BurnerSCSI CDROM.

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Ok, so I was formating my external HDD to a FAT32 and right after I deleted the volume in the disk management it disappeared in the Disk Management. I can't still see it in the device manager and am able to eject it. I also have restarted my computer a few times and gave a good amount of time in between. Any ideas?

Answer:Can't find my external HDD in Disk Management

It should be there. It probably only disappeared from the radar screen. Move the scroller (see picture) up and down.

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So i have been browsing for a few hours now trying to get this issue fixed but I have had no luck!

I have a Seagate 320gb external hardrive. I have had it for a few months now and has worked great every single time I used it. Now suddenly it is no longer recognized. (Windows 7)

I have tried doing a few things which i found throughout other topics but ran into a few problems.

The HD is not shown in My Computer nor does it show in Disk Management.
So I try it on a Vista machine and same results. It is not recognized anywhere not even in Device Manager.

I can hear the HD spin and the green light does turn on however it used to flash consistently and now just flashes once and then remains lit.

If anyone can give me some insight it would be much appreciated.

Answer:External HD not being recognized, not even in Disk Management

The external drive is bad...

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Hi, I recently installed windows 7. But after installing I found out the the computer is not waking from sleep. When I enter the password and press enter the screen becomes blank. I have to again restart the system. Doing some googling I found out that SSD drive does the caching when iRST is used. So I tried to look for SSD in the Disk management, But I can see only 1 500 GB HHD. It doesn't show the SSD drive. Even the Intel Rapid Storage technology is not detecting. It shows internal empty port 0. But when I checked in the BIOS, in the system information i can see the SSD mentioned. If any one of you have faced the same problem and/or know some work around then please help. Thanks,Sumit  

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I am experiencing problems as I try to extend dr O:\ 65GB of a portable HD to use all the unallocated space (9.77 GB) on my Disk 2.
Disk 2 also has dr M:\ @ 35GB.

My problem is the error message as seen in attachment #2.

I then made a Simple Volume and tried to extend O:\ but "extend" was grayed out and not offered. I then returned the 9.77 GB to an unallocated state. Everything is backed up so losing any data is not a likely risk.

I do not know what to do in Win and before I try to use cmd prompt I wanted to ask for advice.
I assume if I have to use cmd I will extend and the unallocated space will automatically be used up, correct?

The PC Magazine Vista book I have offers no help. The terminology is confusing me.

Any help is appreciated.
Regards, Mark..

Answer:external hd disk management extend problem

Hi Mark989. Welcome to BleepingComputer.Vista is not as good as Win7 for adjusting partitions so I would be inclined to use something like Partition Wizard which I have used successfully in the past.. As you are not booting from this drive, you can safely ignore the warning.In your case, what I would do is 1. Remove the new Drive N:. 2. Extend the M: drive into the spare space. 3. Shrink the M: drive into right hand side, leaving the unallocated space next to the O: drive, and then 4. Extend your O: drive.Do each of these tasks one at a time and reboot between each task. luck. Let us know how you get on.

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My WD Passport 320gb external drive is not recognised. When I plug it in the light comes on and i can hear the disk fine as normal. But it won't show up in either My Computer or Disk Management.

I've tried Re-Scanning is Disk Management, as well as every single USB port on my Toshiba Equiuim L40 laptop.

I can't assign it a drive letter because literally nothing shows up.

I was hoping to format this hard drive to FAT32 so I can backup my PS3 data before I upgrade it's hard drive. Any help much appreciated, and just to make it clear there is absolutely nothing on the drive I want to keep so it doesn't matter what is lost from it!

Many thanks to anyone who can help!!!!!!


(By the way this is my first time ever posting in a forum so bear with me please!)

Answer:External HDD won't show up in Disk Management or Explorer

hi there fellow uk man try this microsoft fix it from there site
Hardware devices are not working or are not detected in Windows go to link Hardware devices are not working or are not detected in Windows

What it fixes...

When you install a hardware device, it is not detected
Determine if your audio device is plugged in
Driver updates aren't automatically installed by Windows Update
You receive one of the following errors:
Your <Device Name> is currently disabled or turned off in Windows
Your <Device Name> has a driver problem and needs to be reinstalled
Windows has detected a problem with your <Device Name>, it is not working properly
There is no driver installed for your <Device Name>

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Have external SCSI 3TB RAID - need to get it properly configured in Disk Management to actually show up in "My Computer" as connected drive. Running Win2K Pro OS. RAID contains 8 - 500GB drives, and has been initialized. Disk management shows as: Disk 1 Dynamic 2047.99GB Online and Disk 2 Dynamic 1209.22GB Online, but both are Unallocated. (I changed them to Dynamic from Basic - was that right?)I want them set as RAID-5, but am not computer tech and don't know where to go from here and don't want to mess it up. Please advise!

Answer:Set RAID 5 external SCSI in Disk Management

To use RAID 5 on Windows 2000 Pro you will need a separate RAID controller. Do you have this? Windows 2000 Pro does not support software RAID 5. To implement software RAID 5 you would need a server OS.

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I have been trying to find an answer for hours on google and am throwing in the towel.

I have: HP Desktop xt963, Windows xp sp3, 1.2 ghz processor, 512 RAM, 2 internal WD 40gb HD (one ide and one sata), 1 external Hitachi HD (the problem). The external HD is connected to the system via a generic ide/sata cable adapter.

The external HD is first connected to power, the power turned on, the adapter cable plugged into the HD then plugged into a USB 2.0 recepticle on the computer. (The USB 2.0 was an add-on. The existing USB 1.0 was factory installed.)

At that point, a "new hardware" message appears preceded by the usual chiming sound. An icon saying "safely remove hardware" appears. In Device Manager, the HD is recognized and in Properties it says "device is working." However, the HD is not recognized in My Computer or in Device Management.and accordingly is useless to me

In the beginning, it did work off and on for a while, but lately I can't use it at all.

I have tried "uninstalling" in Device Manager and restarting the computer. Upon restart, the device shows up again in Device Manager (installed) but nothing else changes. I tried connecting via the original USB 1 but it didn't make any difference.

I connected the cable and HD to my wife's Dell laptop (Windows xp) via a USB 1.0 port and viola everything worked just fine.

It would seem (a) there's nothing wrong with the HD or cable adapter or power supply, (b) t... Read more

Answer:External HD Doesn't Show in Disk Management

I just discovered something. After you utilize "safely remove hardware" before disconnecting the HD, the next time you connect it it does not power up (the power light is on but you can't feel the disk spinning) until you hook up to the usb port).

Previously, I had not been using "safely remove hardware" at all so I'm guessing the disk was running when conneting to the usb and that's when it didn't work right. But when power is not running when you plug the cable into usb (and it wasn't just a moment ago) then eveything is normal (as it is right now).

At least I'm going to go on that assumption until proven wrong and you can consider this thread solved.

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Relevance 82.82%

I have a WD MyBook 3 TB external HDD. I can see the drive letter in Windows Explorer but the name I had for it is no longer there and the window freezes when trying to access it, disallowing viewing of any files. I was going to take a look at in through Disk Management, but when opening DiskMgmt with the hard drive plugged in the window never opens and reads 'Connecting to Virtual Disk Service'. When the hard drive is unplugged I can use Disk Management just fine.

The drive is able to be viewed in Device Manager. I tried uninstalling the drivers but this did not work.

I am currently running a "chkdsk /r" on the drive. It has been running for about 9 hours now and is 0% complete on verifying files and folders. (see image) Before it started this step I noticed it was back to normal in Windows Explorer, but I did not try to open the drive to view any folders. It also showed up in Disk Management as that was open in the background when I started the command.
I found this very odd, because once this step started it was back to the issues before.
Do you think the chkdsk is working properly? I can hear the disks spinning and the light is flashing like it is being used. I would like to preserve the 2 TB of data in use, but if it's not an option I would just like to be able to use the hard drive again.
Would quitting out of this cause damage?

The issue started after using my netgear r6300v2 ReadyShare feature. I used this in the past with success, but stopped... Read more

Answer:External HDD corrupting? Cannot view in Explorer or Disk Management

A problem I see in the picture is that it mentions "the type of file system is FAT32". The size of the drive is too large for FAT32 so would have to be formatted as NTFS but doing so will delete any files on it.

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Hi All,

I've recently ran into an almost identical problem that was described (but not resolved) in this thread.

In my case, the drive worked perfectly with my system and only recently stopped appearing in My Computer. Also, my drive is still visible and accessible on Windows XP but is not visible on my Windows 7.

I'd be grateful for any useful advice how to restore the functionlity of this drive on Windows 7.

Please let me know if you require any additional information to help resolve this issue.

Thank you!

Answer:Unable to initialize external HDD in Disk Management due to I/O error

Hello, tommythecat.
Is the external drive used much? Is it aging? Damaged (from moisture, shock [dropping] or misuse)?
If you can, back-up all the data to another HDD.
Connect the problematic HDD to the troublesome PC.
Open an administrative command prompt > type diskpart > type list disk.
Is the drive listed?

Cheers - Happy Holidays.

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Relevance 82.82%

Hi all, I am hoping someone would be able to help me out on this problem. I'm running Windows 7 Ultimate 64 bit.

Windows detects my external HDD but doesn't show up in My Computer. Drive is detected in Disk Management, indicated as "not initialized". When I try to initialize the drive, it gives me the following error,

"The request could not be performed because of an I/O device error"

What I've tried doing:Do a clean instll of windows - Don't work
Uninstall external HDD driver, turned off power, turn it back on again, reinstalled driver - don't work
Tested the same external HDD on another Windows 7 system - No problems, detected and able to access
Tried plugging on different ports - Don't work

After hours of searching through the web and reading forums, I realized that this is quite a commonly faced issue. Thank you.

Answer:Unable to initialize external HDD in Disk Management due to I/O error

Control panel -> Administrative tools -> Event Viewer

Click on the caret > next to WINDOWS LOGS. Then click on SYSTEM. There ought to be a traced event of some kind with a physical I/O error.

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Hey friends yesterday i got a Hitachi Deskstar Hard disk (160 gb) from a friend.wen i conect it to my Desktop (ASus dg41 chipset m/b. 4GB DDR3 kingston Ram,Intel Dualcore original (3Ghz)Processor.And 450watts new smps power supply)IT show zero bytes in bios and not shown in windows explorer,I see it in Device manager,wit zero space.I reconnect this Hard disk to my friend desktop (Lenova desktop)(Actually he gives me the hard drive to use).In Lenova Desktop it shows the space in windows explorer.And works normally.I try to conect this hdd in several desktop systems bt same result that not showing in win explorer.Why this is not showing in other desktops(except lenova pc) ?Is there any way to get it works on any computers.Plz help me

Answer:Hitachi Hard disk showing 0 mb in bios & Not showing in windows explorer

QuoteIT show zero bytes in bios and not shown in windows explorer,I see it in Device manager,wit zero space.The Bios recognizing the drive is the lowest level of recognition. If not recognized at this level its usually a jumper setting, cable issue, or Bios needs to be flashed with a newer version.Is this hard drive an IDE (PATA) drive or a newer SATA drive for starters?If it is a IDE (PATA) drive it could be jumper set wrong, (Master(MA), Slave(SL), Cable Select(CS))If its a SATA drive I'd try a different SATA cable with it to rule that out.*I wouldnt jump into flashing your Bios with an update unless you find information supporting a known issue with the version you are running and hard drives. A bad flash can kill certain motherboards that dont have Bios protection that can revert back on wrong or failed flashes.

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Firstly please excuse me if I'm in the wrong place or broken any rules! Noob alert!

ok, I currently have two 2tb verbatim usb3 external HDD. one works perfectly and the other has recently started giving me BSOD for some strange reason. I tried to format the drive and that is when it all started. now whenever i power up the drive it crashes the pc straight away. Pc will not boot with drive turned on. The other 2tb drive works just fine. Dead drive? well I sent the drive to verbatim (seagate barracuda) under warrranty to be repaired and recieved it two days ago. I plugged it in, powered up and all was fine. I then went into disk management to format the drive to NTFS and bang....BSOD and drive is completely invisible and as soon as its powered on it crashes the pc. I already have no hair left so any help would be greatly appreciated.

Oh one more thing, before returning the drive to verbatim i tried it on another pc and had the same problem. I have been unable to try this with the new/supposedly fixed drive as yet.

Answer:External USB 3.0 drive causing BSOD -- can't see it in disk management or explorer

This may not be a external hard drive problem at all. Your minidumps point to a CRITICAL_OBJECT_TERMINATION

What are your computers specs, including power supply and memory specs? This may be related to not enough power to the PC's components

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Relevance 81.18%

Hi all

I have a 1TB Seagate expansion drive which has started giving me problems. In my computer it is referenced by local disk K: . Usually it is Seagate Expansion K: . I cannot access it,right-clicking on the drive causes explorer to crash. I have tried changing the drive letter but when opening disk management a blank screen comes up with the words "Connecting to virtual disk service". Nothing will show in disk management until the drive is disconnected form the laptop. I downloaded minitool partition wizard and using that I can see all the properties of drive. What should i do because the data is extremely important and sending it to Seagate would be too expensive

Answer:External HDD showing as local disk

We could give you some ideas but since data is extremely important:
Remove the disk and don't do anything until an expert (like Jumanji) responds.

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Relevance 81.18%

Hi everyone

I've been using this hard drive for a while, and now all of a sudden I cannot access it. Under My Computer, it is referenced by Local Disk (G: ). Usually, it says Seagate Expansion (G: ). When I left or right click on the disk, Windows Explorer freezes. I have tried changing the letter of the drive by using Disk Management,however Disk Management gets stuck while saying "Connecting to Virtual Disk Service...".

Any suggestions on how I can access my hard drive? Data is very important

Answer:External HDD showing as local disk

I would try another cable first, or another USB port. Chances drive is going bad or already is.

When in the past you disconnect this drive did you use Safely Remove Hardware icon in notification area? If not can damage the partition on the drive. Ever used on a different PC ? Saying local disk does not mean drive is bad, somehow seagate name was erased by incorrect shutdown, windows seeing the drive differently.

Can try Seatools here
Downloads | Seagate Check SMART status of the drive and health. Any way take a screen shot of when plugged in and disk management is open, without trying anything with the drive.

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Relevance 80.77%

I have a 2,5" 500GB external hard-drive with a single partition (NTFS).
I can see it in the disk management utility (see attached screenshot) but it doesn't have a drive letter nor can't I assign one.

Attached to another PC running Windows XP it says "unknown partition" but also error-free and NTFS.

The problem could have been triggered by unplugging the harddrive without securely removing it.

Answer:Doesn't show external drive anymore but visible in the disk management

is it have files on that external hdd??

on Disk Mgmt, right click the offending disk.
Select Change drive letters and path.
Assign a drive letter.

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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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