Uninstall the device, reboot, and let the PnP manager re-enumerate. If that fails, check your BIOS for "Legacy USB Support" or "PS/2 Controller" and ensure it is Enabled .
Because the PS/2 protocol is purely electrical and lacks the complex device enumeration of USB, a PS/2 keyboard cannot be reprogrammed to inject keystrokes as a malicious USB device (BadUSB). Many government and secure facility workstations still mandate PS/2 keyboards for this reason.
To understand the driver, one must first understand the hardware. "PS/2" refers to the interface, introduced by IBM in 1987. While the computers themselves are long obsolete, the port— a small, round, 6-pin mini-DIN connector—became the industry standard for connecting keyboards and mice for nearly two decades. driver standard ps 2 keyboard
Why would anyone use a PS/2 keyboard in 2024? Surprisingly, the technology has distinct advantages over USB, provided the is functioning correctly.
The OS sends commands to the keyboard via port 0x60 and 0x64 . Common commands include: Uninstall the device, reboot, and let the PnP
The driver standard is handled by the kernel module atkbd .
When you press a key, the keyboard sends an interrupt request ( IRQ 1 ) directly to the CPU. While the computers themselves are long obsolete, the
Why does this happen? Windows includes a "ghost" or generic driver support for PS/2 devices as part of its default installation. This is done to maintain backward compatibility with the millions of motherboards that still feature PS/2 headers and to ensure that the internal laptop keyboard (which often connects via an internal PS/2 bus) functions correctly.
USB keyboards have limitations on how many keys can be pressed simultaneously. While gaming keyboards have improved this, they often require specific drivers