Apple Mac PowerBook 550c - Manual (Page 45)

Troubleshooting Symptom Charts/Peripheral
(Continued)
- 18
Peripheral
(Continued)
Cursor moves, but
clicking trackpad
button has no effect
1 Reset the power manager.
2 Check trackpad connections.
3 Check interconnect board, keyboard, and motherboard
connections.
4 Replace trackpad.
5 Replace keyboard.
6 Replace interconnect board.
7 Replace motherboard.
No response to any
key on keyboard
1 Verify that computer is on.
2 Reset the power manager.
3 Check keyboard and interconnect board connections.
4 Replace keyboard.
5 Replace interconnect board.
6 Replace motherboard.