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I have gentoo and windows 7 installed alongside on my only hard drive. I want to start my windows install from within gentoo through qemu. Boot menu works fine but windows bluescreens on me soon after I select it.

How would I make it work?

(I assume windows is missing drivers required for the qemu-emulated hardware to work.)

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migrated from Oct 4 '11 at 3:45

This question came from our site for users of Linux, FreeBSD and other Un*x-like operating systems.

make sure that you run qemu with correct architecture. Also, windows will fail to boot if it awaits HDD controller to be AHCI and it's not (and vice versa). – gelraen Oct 3 '11 at 6:44
Architecture is good, but I don't think there's anything one can do about the ahci since qemu doesn't seem to support it ... – McEnroe Oct 4 '11 at 17:39
Try this:… – gelraen Oct 5 '11 at 7:08
@gelraen the problems is that your link describes the reverse process of what I want to do. I can't risk just trying it out without knowing that there is a chance it working out or at least that it's 100% reversible. – McEnroe Oct 5 '11 at 14:57
That post is exactly about reverting back from AHCI to ATA. And you always can turn off AHCI on physical machine and change it back, or even simply backup registry files. – gelraen Oct 6 '11 at 7:34

From what I saw in this post, you can't use qemu to boot an existing installation of Windows.

The primary argument being given is that, when windows is installed the Product key is associated with the Motherboard of your computer. Now, when you try to run Windows using qemu, windows perceives qemu emulator as a different motherboard and thus gives problems.

Refer to the post for more details.

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VirtualBox can advertise itself as arbitrary motherboard ( perhaps QEMU can as well. – RushPL Jun 16 '14 at 17:45

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