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IBM-AUSTRIA - PC-HW-Support 30 Aug 1999 |
Keyboard or Auxiliary Input Device Checkout (2640-560x - 60x, 70x)
Keyboard or Auxiliary Input Device Checkout
Remove the external keyboard if the internal keyboard is to be tested.
If the internal
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 on
the system board.
If the keyboard cable connection is correct,
run the Keyboard Test. See 'Running the Diagnostics' for details.
NOTE:
When a Fn key is pressed, a black square briefly appears.
If the tests detect a keyboard problem,
do the following one at a time to correct the problem.
Do not replace a non-defective FRU.
- Reseat the keyboard card cable.
- Replace the keyboard
- Replace the system board.
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
system board.
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