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Subject : Re: LUG: Virtual Machine Help

From : Brian Cottingham <spiffytech@gmail.[redacted]>

Date : Mon, 19 Sep 2011 23:24:35 -0400

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I'm not sure if it's complaining about something 64-bit, on virtualization extensions. You can try opening the settings for your VM and going to System -> Acceleration. Uncheck the VT-x/AMD-v box and see if the problem goes away.

Virtualbox seems to be shipping with hardware acceleration enabled by default, but many older CPUs (and some newer Intel CPUs) don't support virtualization extensions. If your BIOS doesn't mention VT-x or AMD-v this sounds like the likely problem to me.


On Mon, Sep 19, 2011 at 10:25 PM, Jeffery Mewtamer < mewtamer@gmail.[redacted] > wrote:
I am attempting to set-up a Windows 7 64-Bit Virtual Machine using VirtualBox and the discs that came with my computer. Apparently, there is an issue with the virtual machine not recognizing my CPU as being 64-Bit.

VirtualBox gives me the following error when I boot the virtual machine:

VT-x/AMD-V hardware acceleration has been enabled, but is not operational. Your 64-bit guest will fail to detect a 64-bit CPU and will not be able to boot.

Please ensure that you have enabled VT-x/AMD-V properly in the BIOS of your host computer.

I have looked at my computer's BIOS, but I cannot find anything that appears relevant to this error message.

Also, attached is a screenshot of the error I get when attempting to boot from the first of the Windows discs.

--
Sincerely,

Jeffery Wright
President Emeritus, Nu Nu Chapter, Phi Theta Kappa.
Former Secretary, Student Government Association, College of the Albemarle.


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