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Windows 7: Multibooting! 3 WAY!!!

06 Oct 2010   #1

XP, 7 32bit, 7 64bit
Multibooting! 3 WAY!!!

My computer has 3 HD's. They are B, C, and D. D contains my oldest install which is xp. On C: I have windows 7 32bit. I installed windows 7 64 bit on drive B. It started up once fine, but when i restarted I can no longer boot to it. Any suggestions?

My System SpecsSystem Spec
06 Oct 2010   #2
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate

Hello snowmobilelegen, welcome to Seven Forums!

Did you add the activation key during the second Windows 7 install?
My System SpecsSystem Spec
06 Oct 2010   #3


Please post back a screenshot of your full Disk Mgmt drive map and listings, using snipping tool in Start menu.

Would you like to boot the HD's independently via BIOS instead of having Windows manage the multi-boot which interlinks the HD's and makes them harder to remove?
My System SpecsSystem Spec

06 Oct 2010   #4


write this down if you don't have a 2nd computer
boot using windows 7 disk, then hit shift + f10 to open a command prompt and one at time, type the following:

Bootrec /FixMbr
Bootrec /FixBoot
Bootrec /RebuildBcd
My System SpecsSystem Spec
06 Oct 2010   #5

Win 8 RP, Win 7, XP

1. do you have a boot choice at start-up?
2. xp or 7 boot menu?
3. xp or 7 comes up?
be more specific...
My System SpecsSystem Spec
06 Oct 2010   #6

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1

Just an observation, but, I haven't seen a "B:" drive since 5.25in floppies!
My System SpecsSystem Spec

 Multibooting! 3 WAY!!!

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