HP Compaq dc7100 DT Getting Started Manual page 45

Diagnostic Front Panel LEDs and Audible Codes
Activity
System does not
power on and
LEDs are not
flashing.
(continued)
Getting Started
Beeps Possible Cause
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Getting Started
Recommended
Action
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 3.3 V_aux
light on the system
board is turned
on. If it is turned
on, then replace
the power button
harness.
5. If the 3.3 V_aux
light on the system
board is not
turned on, then
replace the power
supply.
6. Replace the
system board.
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