External Keyboard (3547)

•  If a mouse or other pointing device is attached, remove it  and see if the error symptom goes away. If the symptom goes away,  the mouse or other pointing device is defective.
•  The computer keyboard does not work when an external keyboard  is connected.

1.  Power-off the computer.
2.  Disconnect the keyboard cable from the external keyboard.
3.  Power-on the computer and check the keyboard cable connector  for the following voltages. All voltages have a  ±5% voltage tolerance.

    
   

4.  If all voltages are correct, replace the external keyboard.
5.  If the voltages are not correct,  replace the following FRUs one at a time until the  problem is corrected.

   NOTE: If the replaced parts did not resolve the problem,  put the original parts back in the SelectaDock Docking System. Do not replace  non-defective parts.

   1.  Keyboard cable
   2.  Main card of SelectaDock Docking System

Please see the LEGAL  -  Trademark notice.
Feel free - send a   for any BUG on this page found - Thank you.