Справочник Пользователя для Apple Macintosh Server G4
Troubleshooting
Symptom Charts/ Startup - 3 9
Startup
System is completely
dead (no fan
movement and power-
on button is not lit)
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.
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.
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.
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.
start up the computer.
8
Check the modem connector (J27). If the connector has any
bent pins, replace the logic board.
bent pins, replace the logic board.
9
Replace the logic board.