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Windows 7: uninstall xp

18 Oct 2009   #21
erasmus

win 7
 
 

when you say delete it... can i format it? thanks so much!


My System SpecsSystem Spec
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18 Oct 2009   #22
sup3rsprt

XP, Seven, 2008R2
 
 

either or

if you delete it, then you could expand your C: partition to include that space.

Although I'd still recommend having at least two partitions. One for Windows, the other for important data.
My System SpecsSystem Spec
18 Oct 2009   #23
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Like Sup said - format or delete.

You could include it in the C partition - but you would need to update bcd with the new offset, or generalize the bcd entries.

May be better to have it as a separate partition as already suggested.
My System SpecsSystem Spec
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18 Oct 2009   #24
erasmus

win 7
 
 

ok thanks!!! mucho!
im keeping two partitions!
My System SpecsSystem Spec
18 Oct 2009   #25
gregrocker
Microsoft MVP

 

Here is how I eliminate dual boot if I want to move Win7 into the first partition on the disk so it is read faster. Maybe someone has an easier way to save time. It has worked twice now.

Make Win7 Backup image of your entire installation and save it externally - takes 20 minutes. Use a partition manager to delete XP, then move Windows 7 over into the first partition space. If the operation fails, reimage and try again.

Once the partition is moved, boot from the Windows 7 installer into Repair My Computer, run startup repair at least once.

If the dual boot menu survives, remove it with EasyBCD

Then run chkdsk and HDD surface scan to see how it survived the move.
My System SpecsSystem Spec
18 Oct 2009   #26
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Yup, that is a valid method, Greg.


This way is very fast - assuming you already had a partition manager.

Or even quicker if you had a more usual layout of partitions.

Assuming you were working with a Primary partition already - it is literally one command, mark it active, reboot. One minute or less.
My System SpecsSystem Spec
19 Oct 2009   #27
gregrocker
Microsoft MVP

 

Quote   Quote: Originally Posted by SIW2 View Post
Yup, that is a valid method, Greg.


This way is very fast - assuming you already had a partition manager.

Or even quicker if you had a more usual layout of partitions.

Assuming you were working with a Primary partition already - it is literally one command, mark it active, reboot. One minute or less.

I was staring at Mark it Active yesterday like Homer at the nuke plant.

What exactly does it do, move the bootloader over?
My System SpecsSystem Spec
19 Oct 2009   #28
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

The bootloader stays exactly where it is.

The only thing that changes is the active flag in the partition table - it indicates whatever partition you just marked as active.

You will only be able to boot into windows if the active flag is set to the partition containing the boot critical files.


You can copy/create the boot critical files on a partition of your choosing , then mark it active and off you go, or mark it active first - if you intend to let startup repair do the work. Needs to be a Primary partition, of course.
My System SpecsSystem Spec
19 Oct 2009   #29
Snufffed

 

SIW2 has it correct. The command should move {bootmgr} and all needed to c:
Quote   Quote: Originally Posted by SIW2
I wouldn't always believe where bcdedit tells you bootmgr is.
and if that is TRUE then
Quote   Quote: Originally Posted by SIW2
bcdboot c:\windows /s c:
might not always work.

BEFORE you FORMAT the XP Partition, double chek and see that {bootmgr} is in C:

I'm sure if he has more problems he will be back.
My System SpecsSystem Spec
19 Oct 2009   #30
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

It doesn't move bootmgr - it creates a whole new set of boot critical files.

It certainly is true, Snuffy. One example - if you have the hidden 100mb partition , bcdedit will tell you bootmgr is on C - it obviously isn't.
My System SpecsSystem Spec
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 uninstall xp




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