HP Xw6200 - Workstation - 2 GB RAM Technical Reference Manual page 124

Table 5-3 Minor Problems (Continued)
Problem
System does not power on and
the LEDs on the front of the
workstation are not flashing.
124 SYSTEM DIAGNOSTICS AND TROUBLESHOOTING
Cause
System unable to power on.
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.
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.