Troubleshooting | Symptom Charts/Video (Continued) - 12 |
| Video (Continued) |
Partial or whole screen is bright and audio is present, but no video information is visible
1Replace video cable.
2Replace video card (if present).
3Clear parameter RAM. Hold down <Command> <Option> <P> <R> during startup but before “Welcome to Macintosh” appears.
4Replace monitor. Refer to appropriate monitor manual to troubleshoot defective monitor.
5Reseat ROM, RAM, and cache SIMMs, and reseat terminator card.
6Replace logic board. Retain customer’s SIMMs.
