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Notebook Computer Keyboard Failure
Problem
Troubleshooting Procedure
•
The notebook computer
is fully powered-on.
However, when pressing
any of the keys on the
keyboard, one of the
following events occurs:
•
•
Pressing on the
key doesn't have
any effect.
•
•
Incorrect
characters are
•
displayed on the
screen.
•
•
One stroke of a
key produces too
many characters
on the screen.
Troubleshooting
If incorrect characters are
displayed, check the
COUNTRY.SYS settings in the
operating system to see if an
incorrect language is being used
by the system.
Make sure that the keyboard
cable is securely connected into
the keyboard connector.
Check the keyboard circuit.
Replace the keyboard and check
again.
Replace the keyboard controller
BIOS chip located in the memory
compartment on the bottom of the
system unit.
4-9
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