Apple quadra.centris 650 Servicehandbuch

 

 Troubleshooting

Symptom Charts/System - 3

 

Does not power on; 

screen is black, fan is 

not running and LED 

is not lit

1 Check cables.

2 Plug monitor directly into wall socket, and verify that 

monitor has power.

3 Replace power cord.

4 Replace power supply.

5 Replace logic board.

Clicking, Chirping or 

thumping

1 Replace power supply.

2 Replace logic board. Retain customer’s SIMMs.