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Windows 7: How to change drive letter in XP when dual boot with 7?

18 Oct 2009   #11
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Yes, Greg,

You could boot the 7 dvd to system recovery options command promt.

Then use diskpart to remove the 100mb partition and mark the 7 partition Active.

Then run startup repair 3 times.

Boot into 7, and add XP entries to the new bcd store using bcdedit.

Any backup image you already have won't include those changes - so make another when done.


My System SpecsSystem Spec
.
19 Oct 2009   #12
sup3rsprt

XP, Seven, 2008R2
 
 

Quote   Quote: Originally Posted by justi View Post
But even if I made it back to xp and use easybcd to fix the dual boot,the drive letter in xp is still messing,isn't it?
Correct. It will still be D:
My System SpecsSystem Spec
19 Oct 2009   #13
gregrocker

 

Quote   Quote: Originally Posted by SIW2 View Post
Yes, Greg,

You could boot the 7 dvd to system recovery options command promt.

Then use diskpart to remove the 100mb partition and mark the 7 partition Active.

Then run startup repair 3 times.

Boot into 7, and add XP entries to the new bcd store using bcdedit.

Any backup image you already have won't include those changes - so make another when done.
Bravo for the speedy solution to such an complex problem!

I first used diskpart recently to remove an Acer Recovery Partition that wouldn't come out using anything else. Google for the commands; mine had "override" in it.
My System SpecsSystem Spec
.

19 Oct 2009   #14
justi

Windows 7 Ultimate x64 rtm
 
 

Quote   Quote: Originally Posted by sup3rsprt View Post
Quote   Quote: Originally Posted by justi View Post
But even if I made it back to xp and use easybcd to fix the dual boot,the drive letter in xp is still messing,isn't it?
Correct. It will still be D:
What if I followed SIW2 's method?
delete the 100m partition,mark 7 active,ghost xp back?
My System SpecsSystem Spec
19 Oct 2009   #15
sup3rsprt

XP, Seven, 2008R2
 
 

SIW2's method was to get rid of the drive letter on the system boot partition. But Windows XP itself will still be tied to the D: drive.
My System SpecsSystem Spec
19 Oct 2009   #16
justi

Windows 7 Ultimate x64 rtm
 
 

And now there is nothing I can do except for using the image to recover xp?
My System SpecsSystem Spec
19 Oct 2009   #17
sup3rsprt

XP, Seven, 2008R2
 
 

I think the only reliable way to change Windows XP drive letter is to reinstall it.

But if you're not having issues with it being on D: I wouldn't worry about it.
My System SpecsSystem Spec
19 Oct 2009   #18
Tews

64-bit Windows 8.1 Pro
 
 

Have you read Brinks tutorial??? Read it -=> Here
My System SpecsSystem Spec
19 Oct 2009   #19
justi

Windows 7 Ultimate x64 rtm
 
 

Quote   Quote: Originally Posted by Tews View Post
Have you read Brinks tutorial??? Read it -=> Here
Yes,I followed the tutorial.
And dual boot is working.
The problem is the drive letters are messing in xp.
I tried to fix it but now I can't logon to xp.
My System SpecsSystem Spec
19 Oct 2009   #20
sup3rsprt

XP, Seven, 2008R2
 
 

Quote   Quote: Originally Posted by justi View Post
I tried to fix it but now I can't logon to xp.
What did you do that broke XP?

You might want to attach a screenshot of Disk Management, so we can have a look
My System SpecsSystem Spec
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 How to change drive letter in XP when dual boot with 7?




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