Keyboard or Auxiliary Input Device Checkout (TP-770 - 9548/49)
Keyboard or Auxiliary Input Device Checkout
Remove the external keyboard if the internal keyboard is to be tested.
If the keyboard does not work or an unexpected character appears,
make sure that the flexible cable extending
from the keyboard is correctly seated in the connector.
If the keyboard cable connection is correct, run the keyboard test.
See 'Running the Diagnostics' for details.
If the tests detect a keyboard problem, do the following one at a time
to correct the problem.
Do not replace a nondefective FRU
- Reseat the keyboard cable.
- Replace the keyboard.
- Replace the card that the keyboard is connected to.
- Replace the system board.
Auxiliary Input Devices:
The following auxiliary input devices are supported for this computer.
- Numeric Keypad
- Mouse (PS/2 compatible)
- External keyboard (with keyboard/mouse cable)
If any of these devices do not work, reseat the cable connector and repeat the failing operation.
If the problem does not recur, recheck the connector.
If the problem is not corrected, replace the device, and then the card that the devices are
directly connected to.
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