Keyboard or Auxiliary Input Device Check

Remove the external keyboard if the internal keyboard is under test. If the internal keyboard does not work or an unexpected error appears, make sure that the flexible cable extending from the internal keyboard is correctly connected on the system board. If the keyboard is correctly connected, run the Keyboard test.

If errors occur, 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 main board.

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 the anterior procedures.

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