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1

'VT-x/AMD-V not operational' error running Ubuntu 13.04 GNOME 64-bit on VB

rated 0 times [ 1] [ 0] / answers: 1 / hits: 19105 / 1 Year ago, sat, may 6, 2023, 3:26:10

When I start the VM, the following error appears:

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 checked my BIOS but could not find any VT-x/AMD-V option in there. Can anyone help?

My processor is Intel Core2Duo T7300 (using Lenovo ThinkPad T61, if it helps).

Host OS - Ubuntu 13.04 Gnome 64-bit.

Guest OS - Ubuntu 13.04 Gnome 64-bit. VirtualBox version - 4.2.10

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answered 1 Year ago admin · Accepted Answer

As pointed out by Takkat -

Your CPU is 64-bit, and VT-x capable. The BIOS should therefore have
an entry to enable/disable this feature, look out for other names
(also see
How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?)