Run keyboard diagnostics in your system. Automatically detect USB and PS/2 connections, analyze the currently present items and their configurations, display the results on the main screen, etc. Check indications of any pressed keys and related functionality logs.
Switch Hitter is a keyboard diagnostic program for Windows and works with USB and PS/2 keyboards. This program is quite easy to use; simply open the application and press all the keys on your keyboard; it shows a visual indication of the key pressed in its virtual keyboard, and a diagnostic log below it.