Keyboard or Auxiliary Input Device Check

Remove the external keyboard if the internal keyboard is to be tested.

If the internal keyboard does not work or an unexpected error occurs, make sure that the flexible cable extending from the internal keyboard is correctly connected to the mainboard. If the keyboard cable connection is correct, run the Keyboard Test.

If the tests detect a keyboard problem, do the following procedures in sequence to correct the problems. Do not replace a non-defective FRU:

  1. Reconnect the keyboard cable.
  2. Replace the keyboard.
  3. Replace the mainboard.

The following auxiliary input devices are supported by this computer:

  • Numeric keypad
  • External keyboard

If any of these devices do not function, reconnect the cable and repeat above procedures.

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