Troubleshooting

 

Symptom Charts/Peripheral (Continued) - 18

 

 

 

Peripheral (Continued)

 

 

 

 

Cursor moves, but

1

Reset the power manager.

clicking trackpad

2

Check trackpad connections.

button has no effect

3

Check interconnect board, keyboard, and motherboard

 

 

 

4

connections.

 

 

 

Replace trackpad.

 

 

 

5

Replace keyboard.

 

 

 

6

Replace interconnect board.

 

 

 

7

Replace motherboard.

No response to any

1

Verify that computer is on.

key on keyboard

2

Reset the power manager.

 

 

 

3

Check keyboard and interconnect board connections.

 

 

 

4

Replace keyboard.

 

 

 

5

Replace interconnect board.

 

 

 

6

Replace motherboard.

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Image 49
Apple 540C, 520C manual Peripheral