Apple quadra 700.mac iicx.iici サービスマニュアル
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Troubleshooting
Symptom Charts/Video
(Continued)
- 6
Video
(Continued)
Partial or whole
screen is bright and
audio is present, but
no video information
is visible
1 Replace monitor. Refer to appropriate monitor manual to
troubleshoot defective monitor.
2 Replace video cable.
3 Move video card to different slot.
4 Replace video card.
5 Replace logic board. Retain customer’s SIMMs.
Screen is completely
dark, fan is not
running, and LED is
not lit
1 Plug the monitor directly into a wall socket and verify that
the monitor has power.
2 Check battery. Refer to “Battery Verification” in Additional
Procedures.
3 Replace power supply.
4 Replace logic board. Retain customer’s SIMMs.