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Windows 7: Dual Booting problems with Ubuntu


12 Jan 2010   #1

Windows7
 
 
Dual Booting problems with Ubuntu

I have been running XP and Ubuntu, dual booted from separate hard drives using GRUB2 boot loader. No problems.
I wiped XP and successfully installed Windows7.
A problem has arisen in that whilst GRUB still boots Ubuntu OK, when I select Windows7 from the GRUB memu I get the Windows option to 'fix start up problems' or 'start windows normally'. None work.
I am fairly sure I have some sort of MBR problem. Under XP I could get a terminal via the install disk and just "fixmbr" and all was well.
Following the same procedure in Windows7 gives me an X:> prompt. fixmbr doesnt work.
Can anyone advise please how to fix the MBR in Windows7 ?
Thanks.

My System SpecsSystem Spec
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13 Jan 2010   #2
Microsoft MVP

 

All former bootrec and bootsect commands are automated in Windows 7 Startup Repair. You only have to run it enough times for it to attempt to repair and then rewrite the MBR - usually about 3 separate times with reboot.

I believe that dual booting Windows 7 with Ubuntu requires removing GRUB before Windows 7 install and then reinstalling it.

“How to” Dual boot Ubuntu and Windows 7 (Ubuntu installed first) - Ubuntu Forums
My System SpecsSystem Spec
15 Jan 2010   #3

Windows7
 
 
Thanks GegRocker

I suspect you are right about removing GRUB before installing - I didnt.
I will keep trying the startup repair but I havnt had any luck so far.
I am not that excited as it wouldbt be too bigger deal to delete both OS and do a reinstall of both - Windows7 first !
Thanks anyway.
My System SpecsSystem Spec
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15 Jan 2010   #4

Windows 7 x64
 
 

I am a little unclear about what you have done so far.

You booted to the Win 7 Install DVD, selected your language, then Repair on the lower left and what happened after you did that? What did the message say?
My System SpecsSystem Spec
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 Dual Booting problems with Ubuntu




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