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Changing Drive Letter

Discussion in 'Windows Vista' started by shearn89, Oct 12, 2008.

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  1. shearn89

    shearn89 Thread Starter

    Joined:
    Feb 19, 2005
    Messages:
    2
    Hey all - hope you guys can help me. Here's the problem:

    I moved my vista partition in order to extend it - i wiped the OEM recovery partition, moved the vista one, and added the freespace created to it. This was all with gparted. All went well - all the data is still there, no problem.

    However, now when I boot into vista, I get the normal log on screen, it shows my picture and username, but when I log on I get "preparing the desktop", and then it pops up a rundll32 error saying it cannot access the specified device/path/file. If I click okay, I get a light blue screen and a mouse. I can launch the task manager and run things like regedit, or launch explorer.exe. This gives me a plain desktop using a temporary profile because it cannot find mine.

    Looking at Computer, it shows that the "C:" drive has been assigned the letter X. I think this is what's causing the problem.

    I've tried editing the MountedDevices key in the registry to reassign it, but whatever I do the changes don't stick, and when I reboot it reverts back to the main system partition being X, and one I can't see being C.



    Any ideas/links/tutorials/whatever are much appreciated...
     
  2. cowplopmorris

    cowplopmorris

    Joined:
    Jun 7, 2006
    Messages:
    105
    Generally you should not change the drive letter of the system disk, since many windows files and setups rely on it staying how it was on install.

    In general terms, it shouldn't matter what letter it is. The only exception is some old programs have C: hard coded in to them, rather than finding the real system disk, but this isn't usually an issue.

    However, if I understand your post correctly, your disk was C:, but has changed to X:. I think this can indeed cause problems. You could have a look at http://support.microsoft.com/kb/223188/en-us but read the warnings very carefully and follow the advice, definitely regarding backing up.

    You could also look at http://support.microsoft.com/kb/249321/ , which the first article links to.
     
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