TroubleshootingSymptom Charts/Video - 8
Video
Screen is black, audio | 1 | Adjust brightness on monitor. |
and drive operate, fan | 2 | Replace video cable. |
is running, and LED is | 3 | Try using |
lit | 4 | Replace video card. |
| 5 | Clear parameter RAM. Hold down <Command> <Option> <P> |
|
| <R> during startup but before “Welcome to Macintosh” |
| 6 | appears. |
| Replace SIMMs. | |
| 7 | Replace monitor. Refer to appropriate monitor manual to |
| 8 | troubleshoot defective monitor. |
| Replace logic board. Retain customer’s SIMMs. | |
| 9 | Replace power supply. |
