HP dx5150 manual Blank screen

Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem Cause Solution

Blank screen and the	Pre-video graphics
power LED flashes Red six	error.
times, once every second,
followed by a two-second
pause, and the computer
beeps six times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.

For systems with a graphics card:

1.Reseat the graphics card. Power on the system.

2.Replace the graphics card.

3.Replace the system board.

For systems with integrated graphics, replace the system board.

Blank screen and the power LED flashes Red seven times, once every second, followed by a two-second pause, and the computer beeps seven times. The beeps will repeat five times, but the Power LED will continue flashing until the problem is resolved.

System board failure	Replace the system board.
(ROM detected failure
prior to video).

Monitor does not function properly when used with energy saver features.

Monitor without energy	Disable monitor energy saver
saver capabilities is	feature.
being used with energy
saver features enabled.

Dim characters.	The brightness and
	contrast controls are not
	set properly.

Adjust the monitor brightness and contrast controls.

	Cables are not properly	Check that the graphics cable is
	connected.	securely connected to the graphics
		card and the monitor.
Blurry video or requested	If the graphics	Install the video drivers included in
resolution cannot be set.	controller was	the upgrade kit.
	upgraded, the correct
	graphics drivers may
	not be loaded.

Troubleshooting Guide www.hp.com 2–21