HP Xw4200 Getting Started Guide HP Workstations xw4100, xw4200, xw6200, and xw - Page 57

Check that both power, supply cables are properly

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Troubleshooting Activity System does not power on and LEDs are not blinking. Beeps None Possible Cause System unable to power on. Recommended Action Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, then: 1. Remove the expansion cards one at a time until the 5.5 V_aux light on the system board turns on. 2. Replace the system board. OR Press and hold the power button for less than 4 seconds. If the hard drive LED does not turn on green then: 1. Check that unit is plugged into a working AC outlet. 2. Open hood and check that the power button harness is properly connected to the system board. 3. Check that both power supply cables are properly connected to the system board. 4. Check to see if the 5.5 V_aux light on the system board is turned on. If it is turned on, then replace the power button harness. 5. If the 5.5 V_aux light on the system board is not turned on, then replace the power supply. 6. Replace the system board. Getting Started Guide www.hp.com 4-23

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Troubleshooting
Getting Started Guide
www.hp.com
4–23
System does not
power on and LEDs
are not blinking.
None
System
unable to
power on.
Press and hold the power
button for less than 4 seconds.
If the hard drive LED turns
green, then:
1.
Remove the expansion
cards one at a time until
the 5.5 V_aux light on the
system board turns on.
2.
Replace the system board.
OR
Press and hold the power
button for less than 4 seconds.
If the hard drive LED does not
turn on green then:
1.
Check that unit is plugged
into a working AC outlet.
2.
Open hood and check
that the power button
harness is properly
connected to the system
board.
3.
Check that both power
supply cables are properly
connected to the system
board.
4.
Check to see if the 5.5
V_aux light on the system
board is turned on. If it is
turned on, then replace
the power button harness.
5.
If the 5.5 V_aux light on
the system board is not
turned on, then replace
the power supply.
6.
Replace the system board.
Activity
Beeps
Possible
Cause
Recommended
Action