If your keyboard is not responding or shows an error in Device Manager, follow these steps to restore functionality: : Right-click the Start button and select Device Manager . Expand the Keyboards section.
You would only need a third-party driver in these rare scenarios:
The driver is a standard Windows component that allows legacy PS/2 keyboards to communicate with your operating system. Because this is a generic driver built into Windows, you typically do not need to download it from a third-party website; instead, you can reinstall or update it directly through your system settings. How to Install or Update the Driver
Modern operating systems like Windows 10 and 11 still include the legacy driver to support these devices. Unlike USB keyboards, which require the OS to "poll" for data, PS/2 keyboards are interrupt-driven . When you press a key, it immediately signals the CPU, resulting in lower latency and theoretical "N-key rollover" (the ability to register every key pressed simultaneously) without complex driver workarounds. The Evolution of the 101/102-Key Standard
If you are using Windows 98, ME, or 2000 and need the base PS/2 driver files (e.g., after a corrupted install), you do not search for a brand name (Logitech, Dell, IBM). You look for:
