Keyboard is not connected properly

Verify that the keyboard is connected correctly to the computer by turning off your computer and then disconnecting and reconnecting the keyboard to the computer.

Stuck key

Ensure that there are no stuck keys on the keyboard. If all keys seem okay and you have a standard desktop keyboard, turn it over and gently tap the back to dislodge any stuck dirt or hair.

Bad keyboard

Try another keyboard on the computer to verify that the keyboard has not gone bad.

Bad PS/2 or AT port

If none of the above suggestions resolve your issue, the port (PS/2 or AT) on the back of the computer may be faulty. If so, the motherboard or I/O board may need to be replaced.

  • See our keyboard definition for further information and related links.
  • Keyboard help and support.