FreeBSD-8 Dual Booting With Pre-Installed Windows 7?

Leslie Jensen leslie at eskk.nu
Mon Apr 5 16:05:50 UTC 2010


> so here is one trick if you got guts to try :). I recently got saved
> with this trick
>
> you have Win7 pre-installed, now free up some space and let FreeBSD
> install, select the option "do not touch mbr". Next boot you will find
> Win7 gone. Boot from Win7 CD and let it install at same location where
> it is/was installed. Setup will warn you of already existing
> installation. It might additionally say that it will move old
> installation to "Windows.old" folder. Ignore this warning and let
> setup continue. If I remember correctly the second option is
> Extracting Windows Files(percentage). Let it come to second step and
> execute it for a 5 mins, then cancel the setup, ignore all warning and
> it will undo all changes, but by that time it will already have fixed
> the bootloader problem. After you cancel setup, give it all time it
> needs to undo, don't force reboot/power down.
>
> hope this will enable you too install FreeBSD, a great development environment
> have fun!

I would use the fixboot command to fix this, or boot from PartedMagic CD 
and set the boot flag on that partition.

/Leslie



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