The in Windows 11 manages the communication between legacy 6-pin mini-DIN keyboards and your operating system. While modern PCs favor USB or wireless connections, many enthusiasts and industrial users still rely on the i8042prt driver for its dedicated interrupt signal, which can offer lower latency than USB. 1. How to Enable the PS/2 Keyboard Driver
Double-click it and change the to 1 (This sets the driver to "System Start").
Windows 11 may disable the PS/2 driver by default if no device was detected during installation. To force it to load, you must modify the Windows Registry.
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