Apple macintosh ii.iix.iifx Manual Do Serviço

 

 Troubleshooting

Symptom Charts/Video

 

 (Continued)

 

 - 8

 

Screen is completely 

dark, fan is not 

running, and LED is 

not lit

1 Plug monitor directly into wall socket, and verify that 

monitor has power.

2 Check batteries. Refer to “Battery Verification” in 

Additional Procedures.

3 Replace power supply.

4 Replace logic board. Retain customer’s SIMMs.

Video display 

exhibits ghosting

Replace Apple-labeled SIMMs manufactured by NEC that have date 

code of 9052 or below. 

System boots and then 

loses video

Replace Apple-labeled SIMMs manufactured by NEC that have date 

code of 9052 or below.