[Notebook] How to enable or disable Intel® Virtualization Technology (VT-x)?

With a VT-x supported Intel® Processor and a VT-x supported BIOS, VT-x can be enabled or disabled in BIOS. (The default of this item is Enabled in BIOS)


About how to enter BIOS setup menu, please click here.

 

How can I tell whether Intel® Virtualization Technology (VT-x) is enabled or disabled in my system?

You can use the Intel® Processor Identification Utility to verify whether your system can support Intel® Virtualization Technology.

Use this tool, and select the CPU Technologies tab. Check whether the Intel® Virtualization Technology options are checked or not.

Here is an example to show that the Intel® Virtualization is available.

Here is an example to show that the Intel® Virtualization is not available.

If Intel® Virtualization Technology is not checked in the tool, your processor might be able to still supports Intel® Virtualization Technology because it is already being used by some other software which uses a Hypervisor.

In that case, you can also use the Task Manager to verify the situation.

Here is an example to show Intel® Virtualization is enabled by using Task Manager:

From the table below, you can check if your processor supports Intel® Virtualization, whether it is disabled, and other additional information.

Intel® Processor Identification UtilityTask ManagerObservation
Intel® Virtualization CheckedVirtualization is EnabledIntel® Virtualization is enabled and it is available to use.
Intel® Virtualization CheckedVirtualization is DisabledIntel® Virtualization is disabled in BIOS.
Intel® Virtualization not CheckedVirtualization is EnabledIntel® Virtualization is enabled but it is used by some other software on the machine.
Intel® Virtualization not CheckedVirtualization is DisabledIntel® Virtualization is not supported by the processor.

 

Most of above information is excerpted from Intel official website. You can also refer to below link for more infromation:

https://www.intel.com/content/www/us/en/support/articles/000005486/processors.html