
2-4
Troubleshooting Flowcharts for Desktop Computers
3. No Power, Part 2
Continued from Pa
e 2-3,
No Power, Part 1
System
board have 5V
Aux LED?
Plu
power connector
into system board.
N
Plu
in power cord.
Power supply
connected to
system board?
5V Aux LED on?
Replace power supply.
1. Press power button on.
2. Check for fan rotation.
3. Press power button off
.
Does fan spin?
N
N
1. Unplu
power to all drives.
2. Remove all installed cards.
3. Press power button on.
Does fan spin?
Replace power supply.
YY
1. Add drives back one-at-
a-time to find faulty drive.
2. Add cards back one-at-
a-time to find faulty card.
Power on?
Done
Y
N
Go to Pa
e 2-5,
No Power, Part 3
Caution:
Power is continuous to the system board and
power supply even when the power switch is turned off.
To prevent dama
e to the unit, disconnect the power
cord from the power source or the unit before be
innin
disassembly procedures
.
Y
N
Y
N
Y
Comentarios a estos manuales