Apple macintosh ii.iix.iifx Servicehandbuch

 

 Troubleshooting

Symptom Charts/Video

 

 (Continued)

 

 - 9

 

Partial or whole 

screen is bright and 

audio is present, but 

no video information 

is visible

1 Verify monitor works with another Macintosh.

2 Replace monitor. Refer to appropriate monitor manual to 

troubleshoot defective monitor. 

3 Replace video cable.

4 Move video card to different slot.

5 Replace video card. Refer to Video Cards manual.

6 Replace logic board. Retain customer’s SIMMs.