Win8.1 keyboard and mouse can not be used

Some users report that after installing Win8.1, the mouse and keyboard stopped working, but Microsoft has not released a solution or related patch to solve this problem.

This problem seems to be caused by an incompatible driver, but it turns out that even the latest version of the driver can't solve the problem.
A user of the Microsoft Community Forum said that he found a quick solution. Users in need can try it:
First, restart the computer, enter the UEFI settings in the BIOS menu, and enter “Advanced”. Mode, select the "Intel XHCI Mode" option to turn off this mode. Save the new settings for the BIOS and restart your computer.