Diagnostic Front Panel LEDs and Audible Codes
Activity
System does not
power on and
LEDs are not
flashing.
Getting Started
Possible
Beeps
Cause
None
System unable to
power on.
www.hp.com
Getting Started
Recommended
Action
Press and hold the
power button for less
than 4 seconds. If the
hard drive LED turns
green, then:
1. Check that the
voltage selector,
located on the rear
of the power supply,
is set to the
appropriate
voltage. Proper
voltage setting
depends on your
region.
2. Remove the
expansion cards
one at a time until
the AUX LED on the
system board turns
on.
3. Replace the system
board.
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