Help Slipped Disc

  maureen w 17:33 06 Jul 07
Locked

I have somehow(!) managed to set my Rescue Drive as the boot up drive (gone from 'D' XPHome to 'C'Rescue Drive. Can anyone explain how to reset D as the main boot up drive???

  brundle 18:03 06 Jul 07

Do you have an XP CD, or a repair CD/DVD?

  maureen w 08:58 07 Jul 07

brundle
Have got one but not at this address - but will be able to use - what would I have to do?

  Demora 10:23 07 Jul 07

Right click 'My Computer' and select 'Manage'

Scroll to 'Disk Management' and right click the drives you need to change. I'd give them on a new letter until you have the orginal one back to 'C' then choose the letter for the backup to whatever you want.

D

  HCOOH 10:26 07 Jul 07

Are C and D on the same HDD or do you have 2 separate HDD's

  maureen w 10:45 07 Jul 07

HCOOH
on the same HDD

  maureen w 10:59 08 Jul 07

Demora

Thanks for the advice but when trying to change drive - error message saying Windows cannot modify drive letter system volume or boot volume. Also tried in safe mode but same message. I am using an old Multivision Mirror Disc system. Any further advice?

Many thanks.

  uesquebeathus 17:04 11 Jul 07

this has happened to thousands of people some of the fix's are difficult to follow
what you could try is to change the drives to for example "F" and "G" then change the drive you want to be "C" and the other to "D"

this is a microsoft method which has some risk
Change the System/Boot Drive Letter
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
1. Make a full system backup of the computer and system state.
2. Log on as an Administrator.
3. Start Regedt32.exe.
4. Go to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
5. Click MountedDevices.
6. On the Security menu, click Permissions.
7. Verify that Administrators have full control. Change this back when you are finished with these steps.
8. Quit Regedt32.exe, and then start Regedit.exe.
9. Locate the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
10. Find the drive letter you want to change to (new). Look for "\DosDevices\C:".
11. Right-click \DosDevices\C:, and then click Rename.

Note You must use Regedit instead of Regedt32 to rename this registry key.
12. Rename it to an unused drive letter "\DosDevices\Z:".

This frees up drive letter C.
13. Find the drive letter you want changed. Look for "\DosDevices\D:".
14. Right-click \DosDevices\D:, and then click Rename.
15. Rename it to the appropriate (new) drive letter "\DosDevices\C:".
16. Click the value for \DosDevices\Z:, click Rename, and then name it back to "\DosDevices\D:".
17. Quit Regedit, and then start Regedt32.
18. Change the permissions back to the previous setting for Administrators (this should probably be Read Only).
19. Restart the computer.
Troubleshooting
When you try to change an existing drive letter, you receive the following error message:
The volume volume_label drive_letter is currently in use.
If you continue, the new drive letter will be assigned; but you can still use the old drive letter to access the volume until you restart your computer. The old drive letter will not be available for assignment until you restart.

Warning: Changing the drive letter of a volume could cause programs to no longer run.
This error message may appear if there are files that are in use on the drive, on the partition, or on the volume. These files may be in use by you or by other people on the network. To resolve this issue, use one of the following methods:
• Click No when you receive the error message. Quit all the programs that are using the files on the volume, and then change the drive letter. To do this, right-click the volume, click Change Drive Letter and Paths, and then click Change.
• Click Yes to continue with the drive letter change.
• When you try to remove an existing drive letter, you receive the following error message:
The volume volume_label drive_letter is currently in use.
If you continue, the drive letter will be freed; however, it will still be available for use until you restart your computer.

Warning: Changing the drive letter of a volume could cause programs to no longer run.
This error message may appear if there are files that are in use on the drive, the partition, or the volume. These files may be in use by you or by other people on the network. To resolve this issue, use one of the following methods:
• Click No when you receive the error message. Quit all the programs that are using the files on the volume, and then remove the drive letter. To do this, right-click the volume, click Change Drive Letter and Paths, and then click Remove.
• Click Yes to remove the drive letter the next time that you start your computer.

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