HP xw4100 manual For systems with a graphics

				Troubleshooting
		Possible	Recommended
Activity	Beeps	Cause	Action
Red Power LED	5	Pre-video	1.	Reseat DIMMs. Power
blinks five times,		memory error		on the system.
once every second,			2.	Replace DIMMs one at
followed by a two
				a time to isolate faulty
second pause.
				module.
			3.	Replace third-party
				memory with
				HP memory.
			4.	Replace the system
				board.
Red Power LED	6	Pre-video	For systems with a graphics
blinks six times,		graphics	card:
once every second,		error.	1.	Reseat the graphics
followed by a two
				card. Power on the
second pause.
				system.
			2.	Replace the graphics
				card.
			3.	Replace the system
				board.
Red Power LED	7	System board	Replace the system board.
blinks seven times,		failure (ROM
once every second,		detected
followed by a two		failure prior to
second pause.		video).

Getting Started Guide www.hp.com 4–15