Technical data

Troubleshooting
4-9
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.
•
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.