If automatic updates fail, force the system to recognize the device:

It is considered highly robust, with few reported errors in its latest iterations on modern Windows versions.

The term "PC AT Enhanced" refers to the 101-key or 102-key layout introduced by IBM in the 1980s. This layout became the blueprint for almost every desktop keyboard used today. While modern keyboards typically connect via USB, many motherboards still include a circular purple PS/2 port, and most laptop internal keyboards are internally wired as PS/2 devices because the protocol is simple, reliable, and offers "n-key rollover" (the ability to press many keys at once without ghosting). Why Do You Need to Download Drivers?

The driver file ( i8042prt.sys or kbdclass.sys ) is missing or corrupted. Step-by-Step Guide to Reinstalling the Driver