IBM Aptiva Handbook page 123

Table 3: Troubleshooting: Hardware problems
If the problem is:
Keyboard doesn't work or only some keys
work.
Mouse does not move the cursor.
Note: If any of these problems continue after taking the actions listed, see your online Aptiva Helper for information on running
diagnostics. If you need service, see the HelpWare book.
Here's what to do:
1. Make sure the keyboard cable is correctly and securely connected to the
keyboard port (not the mouse port) on the back of the tower.
The keyboard port has this symbol next to it:
2. Move your fingers across the keys. Make sure no keys are stuck.
3. Make sure you are using a screen that allows typing. Some screens do not.
4. Turn off the system, wait 15 seconds, and then turn the system on again.
1. Move the mouse onto a mouse pad and try using the pad.
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 tower.
The mouse port has this symbol next to it:
4. Clean the mouse. To clean the mouse, follow these steps:
a. Turn off the computer.
b. Disconnect the mouse cable from the tower.
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 tower.
5. Turn off the system, wait 15 seconds, and then turn the system on again.
Solving hardware problems 107