HP Compaq dc7600 USDT Getting Started Manual page 34

Getting Started
Solving General Problems (Continued)
Problem
System does not
power on and the
LEDs on the front of
the computer are not
flashing.
(continued)
30
Cause
www.hp.com
Solution
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 the 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 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 V_aux light on the
system board is not turned
on, then replace the power
supply.
6. Replace the system board.
Getting Started