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Windows 7: Multiple Bootmgr

04 Sep 2009   #1

Windows 7 + Windows Vista
 
 
Multiple Bootmgr

Initial issues fixed see update
Alright so I guess I have a bit of an issue. I had Vista installed on a 300GB harddrive, but I got a new harddrive and moved Vista over to that. Unfortunately I never actually reformated the 300GB hard drive so the bootmgr stayed there but was unused. With the new Vista it started a new bootmgr and is now the default bootmgr. Then I installed Windows 7 and that started a new bootmgr. But the BIOS still selects the Vista bootmgr and so I just added Windows 7 to that one. Except now I want to delete the Vista Bootmgr and the 300GB unused bootmgr and use the Windows 7 bootmgr. The Vista bootmgr no longer works for Windows 7 (Vista cannot correctly find the Windows 7 partition because it is set to the G: partition, but the Windows 7 windows folder is in S

I know I can delete the bootmgrs on the inactive drives, except I don't want to because I have no way of booting to the Windows 7 bootmgr. (Default boots to Vista, which would be gone, and using the Windows 7 DVD to boot uses the 300GB worthless bootmgr) If I use the Windows 7 DVD to repair the startup would it create a new bootmgr in the place of the two I delete or would it find the Windows 7 bootmgr and use that?

I'll be working on this for about another hour but if nothing works I'm nuking all three bootmgrs and rebuilding the bootmgr.

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Update: Alright I've managed to get all the bootmgrs exactly the same so that everything boots correctly, however I still want to make the computer use the bootmgr on the 55GB Windows 7 drive because it is a 10,000RPM Raptor.

My System SpecsSystem Spec
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05 Sep 2009   #2

XP, Seven, 2008R2
 
 

all you need to do is put bootmgr on the Raptor, on the "active" partition which has Windows on it. Then in the system BIOS, select the Raptor as first boot device.

Use EasyBCD and/or VistaBootPro. They make all of this a snap.

Also, consider these command-line utilities:

bcdboot.exe - used to create the bcd store on the system partition
bcdedit.exe - used to edit the bcd store
bootsect.exe - used to fix boot sector on hard disk
My System SpecsSystem Spec
06 Sep 2009   #3

Windows 7 + Windows Vista
 
 

Well the raptor is the primary boot hard drive, except my motherboard doesn't see the two different partitions. It only sees it as an entire drive. However I have download EasyBCD, just haven't used it yet since I haven't had time.
My System SpecsSystem Spec
.


06 Sep 2009   #4

XP, Seven, 2008R2
 
 

The BIOS doesn't "see" partitions because it doesn't need to. It only loads the code in the boot sector of the first boot device and then the boot manager takes over from there.
My System SpecsSystem Spec
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 Multiple Bootmgr




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