Apple 7100/80 Manuale Utente

 

 Troubleshooting

Symptom Charts/Video

 

 (Continued)

 

 - 9

 

Screen is completely 

dark, fan is not 

running, and LED is 

not lit

1 Verify that external power cables are properly connected.

2 Reset logic board. (Refer to Additional Procedures.)

3 Remove peripherals.

4 Remove NuBus cards.

5 Replace power supply.

6 Replace logic board. Retain customer’s SIMMs.

Multiple Scan 

monitor attached to 

Power Macintosh 

7100/66AV displays 

ghosting or video 

smearing

Replace Power Macintosh AV Card.