Apple WS 6150 Manual Do Utilizador

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 Troubleshooting
Symptom Charts/Video
 
 (Continued)
 
 - 5
 
Video
 
 (Continued)
 
Partial or whole 
screen is bright and 
audio is present, but 
no video information 
is visible
1 Replace video cable.
2 Replace monitor. Refer to appropriate monitor manual to 
troubleshoot defective monitor. 
3 Replace logic board. Retain customer’s SIMMs.
Screen is completely 
dark, fan is not 
running, and LED is 
not lit
1 Verify that external power cables are properly connected.
2 Remove peripherals.
3 Replace power supply.
4 Replace logic board. Retain customer’s SIMMs.