HP 8300 D0K72US#ABA, 8300 C5J37AWABA manual Interpreting Post diagnostic front panel LEDs

Table 8-2Diagnostic front panel LEDs and audible codes (continued)

Activity	Beeps	Possible Cause	Recommended Action
Red Power LED flashes nine	9	System powers on but is	1.	Unplug the AC power cord from the
times, once every second,		unable to boot.		computer, wait 30 seconds, then plug the
followed by a two second				power cord back in to the computer.
pause. Beeps stop after fifth			2.	Replace the system board.
iteration but LEDs continue
until problem is solved.			3.	Replace the processor.
Red Power LED flashes	11	The current processor	1.	Install a TXT capable processor.
eleven times, once every		does not support a	2.	Disable TXT in the Computer Setup (F10)
second, followed by a two		feature previously
second pause. Beeps stop		enabled on this system.		utility.
after fifth iteration but LEDs			3.	Reinstall the original processor.
continue until problem is
solved.
Red Power LED flashes	12	MXM thermal shutdown.	1.	Clean the MXM graphics card heat sink.
eleven times, once every			2.	Replace the MXM graphics card heat sink.
second, followed by a two
second pause. Beeps stop			3.	Replace the MXM graphic card.
after fifth iteration but LEDs
continue until problem is
solved.
System does not power on	None	System unable to power	Press and hold the power button for less than 4
and LEDs are not flashing.		on.	seconds. If the hard drive LED turns green, the
			power button is working correctly. Try the
			following:
			1.	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
			green then:
			1.	Check that the unit is plugged into a
				working AC outlet.
			2.	Open rear cover and check that the power
				button cable is properly connected to the
				system board.
			3.	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 board and
				cable. If the problem persists, replace the
				system board.
			4.	Replace the AC adapter.

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