How to Switching Hyper-V Virtualization Off and On
Type command in your Start Menu search bar and select Run as Administrator. Then input the following command:bcdedit /set hypervisorlaunchtype off
Then restart your system.
Hyper-V virtualization will not start after the reboot, and you should find your performance returns to normal. If you want to turn Hyper-V virtualization on again, use the following command:
bcdedit /set hypervisorlaunchtype on
Restart your system again.