IBM Aptiva Handbook page 116

Table 1: Hardware problems (Continued)
If the problem is:
Mouse does not work
If any of these problems continue after taking the actions listed, see "Chapter 2: HelpWare support and services" on
Note:
page 2-1 for information on obtaining service.
10-10 Chapter 10: Diagnosing and recovering from problems
Here's what to do:
1.Move the mouse onto a mouse pad and try using it.
2.Make sure you are using a screen that allows the use of a mouse. Some
screens do not.
3.Make sure the mouse cable is correctly and securely connected to the
mouse port (not the keyboard port) on the back of the system unit.
The mouse port has this symbol next to it to help you:
4.Clean the mouse.
a. Turn the computer off.
b. Disconnect the mouse cable from the system unit.
c. Turn the mouse upside down. Unlock the retainer on the bottom of the mouse
by turning it counterclockwise. Now turn the mouse right-side up, and the
retainer and the ball will drop out.
d. Using a damp cloth, wipe the outside of the mouse and the retainer. Be sure
to wipe the rollers inside the mouse.
e. Insert the ball and retainer. Lock the retainer by turning it clockwise.
f. Reconnect the mouse cable to the system unit.
g. Turn on the computer.
8.Turn the system unit off, wait 10 seconds, and then turn the system unit
on again.