Compaq Notebook Series Troubleshooting Manual page 24

Keyboard and Pointing Device Problems (Continued)
Problem
External mouse does
not work.
Keys on the notebook
keyboard are sticking or
not responding properly.
A keyboard or pointing
device connected
through the USB
connector does
not work.
Internal keypad
won't work.
Troubleshooting
Possible Cause
The external mouse is
not supported or does
not have the correct
drivers installed.
The mouse is dirty.
The keyboard is dirty.
USB legacy support is
not enabled.
External keypad is
connected to the PS/2
jack on the port
replicator.
Problems and Solutions
Solution
Ensure that the drivers
included with your
mouse have been
installed.
Refer to the instructions
in the Maintenance,
Shipping and Travel
Guide on this CD to
clean your mouse.
Refer to the instructions
in the Maintenance,
Shipping and Travel
Guide on this CD to
clean your keyboard.
Refer to the Hardware
Guide on this CD for
instructions on enabling
legacy USB devices.
Use external keypad or
disconnect it to use
internal keypad.
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