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Troubleshooting
External Keyboard or PS/2 Mouse Failure
Problem
Troubleshooting Procedure
•
The notebook
computer's power is on,
and the keyboard is
working. One of the
following conditions
•
occurs:
•
Pressing keys on
the external
•
keyboard has no
effect.
•
•
Pressing the key
on the external
•
keyboard gives
incorrect
characters.
•
The mouse cursor
on the screen
doesn't move in
conjunction with
the external
mouse.
4-10
Make sure that the external
mouse or keyboard's connection
to the notebook computer's PS/2
mini-DIN connector is secure.
Make sure the mouse trackball
and postion sensors are clean and
free of dust.
Replace the external mouse or
keyboard and try again.
If the system still doesn't work,
test the mini-DIN keyboard circuit.
If incorrect characters are
displayed, check the
COUNTRY.SYS settings in DOS
to see if an incorrect language is
being used by the system.
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