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Windows 7: Tricky BCDEDIT Setup... Help Needed...

01 Jul 2009   #1

Windows 7 x64
Tricky BCDEDIT Setup... Help Needed...

Hi Everyone, this is my frist post on this forum, seems to be a helpful resource...

This is my question:

I have two Hard Drives, 128GB and 500GB.

Disk0 = 128GB
Disk1 = 500GB

The 128GB consists of two partitions, each 64GB.
The 500GB consists of only one partition, 500GB.

I have Windows 7 64bit installed on Disk0, Partition0 (64GB)
I have Windows XP installed on Disk1,Partition0 (500GB)

This is what I want to do;

I want to install Windows 7 32bit on the second partition on disk0, Partition1, but I'm not sure how the BCD entry in my bootloader should look like. You probably wondering if I'm installing Windows 7 32bit onto the partition then the boot entry will automaticly be created, but I'm restoring a imaged Windows 7 32bit to the second partition, so that's why I need to create the BCD entry myself...

Any help?

My System SpecsSystem Spec
01 Jul 2009   #2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64

Hi fanix,

Easiest is to copy the entry for 64 bit and assign it to the 32 bit partition.

After restoring the 7 x86 image, boot into 7 x64.

Open an elevated cmd prompt type the following ( press enter after each command):

bcdedit /copy {current} /d "7 x86"

It will return along number in brackets in brackets {YOUR-NEW -GUID}

Use that, including brackets in these commands ( replace ?: with the drive letter of the 7 x86 partition)

bcdedit /set {YOUR-NEW -GUID} device partition=?:

bcdedit /set {YOUR-NEW -GUID} osdevice partition=?:

close cmd prompt.

You could just run startup repair instead - but where's the fun in that?

Hope it helps

note: when restoring the image - good idea not to restore the mbr with it.
My System SpecsSystem Spec
01 Jul 2009   #3

Windows 7 x64

I'll give it a go, that's actually what I did earlier, maybe i did something wrong, will try again. thnx
My System SpecsSystem Spec


 Tricky BCDEDIT Setup... Help Needed...

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