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Troubleshooting Symptom Charts/Video - 4
Video
Screen is dark, audio
and at least one drive
operate, fan is
running, and LED is
lit
1 Adjust brightness on monitor.
2 Replace video cable.
3 Replace monitor. Refer to appropriate monitor manual to
troubleshoot defective monitor.
4 Replace logic board. Retain customer’s SIMMs.
Screen is dark, audio
and drive do not
operate, fan is
running, and LED is
lit
1 Reset logic board. (Refer to Additional Procedures.)
2 Reseat ROM SIMM and cache SIMM.
3 Remove peripherals.
4 Replace DRAM SIMMs.
5 Replace power supply.
6 Replace logic board.