Apple 7100/66AV Benutzerhandbuch

 

 Troubleshooting

Symptom Charts/Video - 7

 

Screen is dark, audio 

and at least one drive 

operate, fan is 

running, and LED is 

lit

1 Adjust brightness on monitor.

2 Replace video cable.

3 Try using known-good RAM SIMMs.

4 If monitor is attached to DB-15 connector, attach monitor to 

HDI-45 connector. If problem goes away, verify VRAM 

SIMMs on video card are good. If SIMMs are bad, replace 

them. If SIMMs are good, replace video card.

5 Replace monitor. Refer to appropriate monitor manual to 

troubleshoot defective monitor.

6 Replace logic board. Retain customer’s SIMMs.