Справочник Пользователя для Apple Macintosh Server G4

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 Troubleshooting
Symptom Charts/ Startup -  3 9
 
Startup
 
System is completely 
dead (no fan 
movement and power-
on button is not lit)
1
Verify the power outlet is good. 
2
Replace the power cord. 
3
Make sure the voltage switch on the back of the power supply 
is set to the correct voltage.
4
Check for trickle voltage on the power supply connector. 
Refer to “Power Supply Verification” in this chapter. If 
verification fails, replace the power supply.
5
Disconnect external devices, including the monitor, and start 
up the computer.
6
Remove internal cards and start up the computer.
7
Disconnect internal hard drives from the logic board and 
start up the computer.
8
Check the modem connector (J27). If the connector has any 
bent pins, replace the logic board.
9
Replace the logic board.