Gateway E3400 System Manual page 100

The mouse does not work.
Probable Cause
The mouse is not plugged in
or connected properly.
The mouse driver did not load
when the system started.
The mouse is defective.
Solution
Check the cable. Make sure it is plugged in
correctly.
Load the appropriate mouse driver manually or
contact technical support.
Try a mouse you know is working.
System problems
93