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Windows 7: Can't change hard drive letter to needed letter


16 Nov 2009   #1

windows 7 x64 Home Premium
 
 
Can't change hard drive letter to needed letter

I lost my Event Viewer, and had to do a repair installation to fix it. Unfortunately, during the repair install, Windows decided to rename my second HD as the D: drive... it was K: before that. Now I cannot access any of my docs, pictures, music, or videos through the normal means... they don't show up in libraries or explorer, and apps like Restorator and Sure Thing (CD labeler) cannot find them. I think that means the paths are broken..?

It won't allow me to rename the HD back into K: (it's not listed as available). I can access the data by clicking Computer > D, and I can see the data is there, but its unusable as of now. Any ideas?


My System SpecsSystem Spec
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16 Nov 2009   #2
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Stevie,

To be safe, you should create a restore point before doing this in case you make a mistake and need to use it to do a system restore.

http://www.sevenforums.com/tutorials...ndows-7-a.html

1. If the K letter is not being used by another internal drive, then you can open regedit and navigate to:
HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
2. In the left pane, Take ownership (step 2 in Option Two of METHOD TWO) of the registry key MountedDevices and "Allow" yourself "Full Control" of it as well.

3. In the right pane of MountedDevices, right click on \DosDevices\K: and click on Delete and OK.

4. Restart the computer to apply. You should now be able to change the second hard drive letter to K.

Can't change hard drive letter to needed letter-step1.jpg

Hope this helps,
Shawn


My System SpecsSystem Spec
16 Nov 2009   #3

windows 7 x64 Home Premium
 
 

Thanks!

Oh nice... just to make things more fun, the "take ownership" context menu shortcut doesn't work in regedit... lovely.
My System SpecsSystem Spec
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16 Nov 2009   #4
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Nope, you will need to do it manually using step 2 in Option Two of METHOD TWO in the Take Ownership tutorial link above.
My System SpecsSystem Spec
16 Nov 2009   #5

Windows 7 Ultimate (64)
 
 

Go to control panel - administrative tools - computer management -disc management.

Assign a different drive letter to the device using K:. Then change the current D: to K: and all should be well.

Luck-
My System SpecsSystem Spec
16 Nov 2009   #6

windows 7 x64 Home Premium
 
 

YAY! It worked! I have my K: drive back, and I can access all of my stuff!

I couldn't figure out the correct file path for the command prompt method to take ownership, so I just granted myself full privileges and skipped the "take ownership" step... and it worked anyway! Although I might have inadvertently already taken ownership earlier... as I was trying to fix this problem before I turned to the forum... so that step might not have been skipped.

Thanks for the help!
My System SpecsSystem Spec
16 Nov 2009   #7

windows 7 x64 Home Premium
 
 

Quote   Quote: Originally Posted by win7clutz View Post
Go to control panel - administrative tools - computer management -disc management.

Assign a different drive letter to the device using K:. Then change the current D: to K: and all should be well.

Luck-
Unfortunately, I couldn't do it that way. There was no device with the letter K: listed in disc management, yet that letter was also not listed as available under "change letter of drive". I guess that during the repair install, it recognized the second HD as K:, locked out the use of that letter, and then renamed the drive to D:. Brink's registry fix forced the letter K: to be freed up so I could rename my data disc back to K:.
My System SpecsSystem Spec
16 Nov 2009   #8

Windows 7 Ultimate (64)
 
 

Very cool, whatever works to get it done. Regards- Ken

Quote   Quote: Originally Posted by stevieray View Post
Quote   Quote: Originally Posted by win7clutz View Post
Go to control panel - administrative tools - computer management -disc management.

Assign a different drive letter to the device using K:. Then change the current D: to K: and all should be well.

Luck-
Unfortunately, I couldn't do it that way. There was no device with the letter K: listed in disc management, yet that letter was also not listed as available under "change letter of drive". I guess that during the repair install, it recognized the second HD as K:, locked out the use of that letter, and then renamed the drive to D:. Brink's registry fix forced the letter K: to be freed up so I could rename my data disc back to K:.
My System SpecsSystem Spec
17 Nov 2009   #9
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Stevie,

I'm happy to hear that you got it sorted.
My System SpecsSystem Spec
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 Can't change hard drive letter to needed letter




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