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Troubleshooting Symptom Charts/Video - 13
Boot tone is present
and screen lights up,
but nothing is
displayed on screen
1 Reset Cuda chip. (Refer to The Cuda Chip in Basics for
instructions.)
2 Reset logic board. (Refer to Resetting the Logic Board in
Basics for instructions.)
3 Replace video cable.
4 Replace video card.
5 Test with known-good monitor. Replace monitor if
necessary. Refer to appropriate monitor manual to
troubleshoot defective monitor.
6 Replace processor card.
7 Replace logic board. Retain customer's DIMMs. Note: When
you replace the logic board, be sure the LED cable is not
interfering with the power actuator.