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Re: [Qemu-devel] Cannot boot my VM image after switching to ahci.
From: |
Alex Davis |
Subject: |
Re: [Qemu-devel] Cannot boot my VM image after switching to ahci. |
Date: |
Fri, 25 Apr 2014 16:22:16 -0700 (PDT) |
John Baboval Wrote:
>I assume Windows 7 or newer?
>
>In order to speed boot time, Windows will remove the AHCI driver from the
>critical driver database when you boot with no AHCI controller on the bus. If
>you later want >to switch to AHCI mode, you have to boot with IDE again, and
>re-add the AHCI driver, reboot, and then reboot again with QEMU AHCI enabled.
>
>To do this on Windows 7, set
>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msahci\Start to 0 To do
>this on Windows 8, delete the entire >StartOverride key under
>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\storahci
>
>Good luck.
John,
Yes, I'm running Windows 7. Your solution worked.
Thanks.