Apple PowerBook 165 - Manual (Page 48)

Troubleshooting Symptom Charts/Peripherals - 24
Peripherals
1 Replace interconnect board.
2 Replace daughterboard.
3 Replace motherboard.
Cursor intermittently
does not move or
moves erratically
1 Restart computer.
2 Clean ball and rollers of trackball.
3 Check cables.
4 Replace trackball.
5 Replace keyboard.
6 Replace interconnect board.
7 Replace motherboard.