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HDD not recognized after changing drive Letter


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#1 windranger

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Posted 31 January 2013 - 05:39 AM

I changed the drive letter of an external 2.5' HDD (from F to D).

Then for some reason I suddenly can't use the drive anymore.

Now when I plug it, the error message is on Win7 is "You need to format the disk in drive"
The error on Win XP is D:\ is not accessible

which is quite weird.

The drive is not used much, it never had surface problems, etc.
Of course I don't want to format it because I have some info there.

Any ideas about what the problem could be...?

Thanks

Moderator Note: The duplicate of this topic has been deleted

Edited by Platypus, 31 January 2013 - 06:49 AM.
Duplication


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#2 James Litten

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Posted 31 January 2013 - 11:51 AM

Hi

Did you change the drive letter in XP or in Windows 7 or in both?
Drive letter assignment is stored in the registry (based on the disk partition's ID/serial stored in the boot sector, I think :) ). So changing it in Win7 would set the proper registry value in Win7 but not in other OS like XP.

Have you tried changing it back to F: in the OS that you changed it in?

I am assuming that you did this in the Disk Management console. Did you do it in a different way?

James

#3 windranger

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Posted 06 February 2013 - 07:54 AM

I cahanged the letter on a XP computer.
I tried it on a couple of different computers but same result.

The HDD is SATA; I can't rename it back because the computer doesn't see it, even in Disk Management.

The optical drive is E, there no drive assigned with D letter.

Of course, any HDD can fail, but this problem coincided with changing the drive letter, so it's quite a low probability that the cause is different...

#4 James Litten

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Posted 06 February 2013 - 10:04 AM

Hi

It is odd that it would ask to be formatted or see that a volume D: is not accessible, and then not show up in Disk Management.

Does the BIOS detect it? If not, then there is not much you can do. If it does, maybe you can try a Linux LiveCD to see if it shows up in that.

James




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