Apple Workgroup 9150 Specifiche Pagina 38

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