HP Xw8200 HP Workstation xw8200 Service and Technical Reference Guide (Complet - Page 114

Table 5-3, Minor Problems Continued

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Table 5-3 Minor Problems (Continued) Problem Cause System does not power on and System unable to power on. the LEDs on the front of the workstation are not flashing. Possible Solution Press and hold the power button for less than four seconds. If the hard drive LED turns green, then: 1 Remove the expansion cards. 2 Replace the system board. OR Press and hold the power button for less than four seconds. If HDD LED does not illuminate, then: 1 Check that the unit is plugged into a working AC outlet. 2 Open access panel and check that the power button harness is properly connected to the in-line front panel I/O device assembly connector. 3 Check that the power supply cables are properly connected to the system board. 4 Check the power supply functionality. a Disconnect AC power. b Remove all internal power supply cables from the system board. c Plug in AC power. z If the power supply fan spins and the BIST LED lights, then the power supply is good. Replace the system board. z If the power supply fan does not spin or the BIST LED does not light, replace the power supply. 114 SYSTEM DIAGNOSTICS AND TROUBLESHOOTING

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114
SYSTEM DIAGNOSTICS AND TROUBLESHOOTING
System does not power on and
the LEDs on the front of the
workstation are not flashing.
System unable to power on.
Press and hold the power button for less than four seconds.
If the hard drive LED turns green, then:
1
Remove the expansion cards.
2
Replace the system board.
OR
Press and hold the power button for less than four seconds.
If HDD LED does not illuminate, then:
1
Check that the unit is plugged into a working AC outlet.
2
Open access panel and check that the power button
harness is properly connected to the in-line front panel
I/O device assembly connector.
3
Check that the power supply cables are properly
connected to the system board.
4
Check the power supply functionality.
a
Disconnect AC power.
b
Remove all internal power supply cables from the
system board.
c
Plug in AC power.
If the power supply fan spins and the BIST LED
lights, then the power supply is good. Replace
the system board.
If the power supply fan does not spin or the
BIST LED does not light, replace the power
supply.
Table 5-3
Minor Problems (Continued)
Problem
Cause
Possible Solution