HP Compaq dc7600 USDT Getting Started Manual page 46

Getting Started
Diagnostic Front Panel LEDs and Audible Codes
Activity
System does not
power on and
LEDs are not
flashing.
(continued)
42
Possible
Beeps Cause
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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.
Getting Started