HP 700 G1 manual Press and hold the power button for less than, LEDs are not flashing

Activity	Beeps	Possible cause	Recommended action
but LEDs continue until problem			3.	Replace the system board.
is solved.
System does not power on and	None	System unable to power on.	Press and hold the power button for less than 4
LEDs are not flashing.			seconds. If the hard drive LED turns white, the power
			button is working correctly. Try the following:
			1.	Check that the voltage selector (some models),
				located on the rear of the power supply, is set
				to the appropriate voltage. Proper voltage
				setting depends on your region.
			2.	Replace the system board.
			OR
			Press and hold the power button for less than 4
			seconds. If the hard drive LED does not turn on white
			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 5V_aux light on the system
				board is turned on. If it is turned on, then
				replace the power button harness. If the
				problem persists, replace the system board.
			5.	If the 5V_aux light on the system board is not
				turned on, remove the expansion cards one at

a time until the 5V_aux light on the system board turns on. It the problem persists, replace the power supply.

Interpreting POST diagnostic front panel LEDs and audible codes 105