Apple quadra 700.mac iicx.iici Manuales De Servicio

 

 Troubleshooting

Symptom Charts/Video

 

 (Continued)

 

 - 6

 

Partial or whole 

screen is bright and 

audio is present, but 

no video information 

is visible

1 Replace monitor. Refer to appropriate monitor manual to 

troubleshoot defective monitor.

2 Replace video cable.

3 Move video card to different slot.

4 Replace video card.

5 Replace logic board. Retain customer’s SIMMs.

Screen is completely 

dark, fan is not 

running, and LED is 

not lit

1 Plug the monitor directly into a wall socket and verify that 

the monitor has power. 

2 Check battery. Refer to “Battery Verification” in Additional 

Procedures.

3 Replace power supply.

4 Replace logic board. Retain customer’s SIMMs.