HP dx2310 manual Solving Display Problems Continued, contrast controls are not

Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem	Cause	Solution
Power LED flashes Red six	Pre-video graphics	For systems with a graphics card:
times, once every second,	error.	1.	Reseat the graphics card.
followed by a two second
		2.	Replace the graphics card.
pause, and the computer
beeps six times.		3.	Replace the system board.
		For systems with integrated
		graphics, replace the system board.
Monitor does not function	Monitor without energy	Disable monitor energy saver
properly when used with	saver capabilities is	feature.
energy saver features.	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 controller
resolution cannot be set.	was upgraded, the
	correct video drivers
	may not be loaded.

Install the video drivers included in the upgrade kit.

Monitor is not capable	Change requested resolution.
of displaying requested
resolution.

The picture is broken up, rolls, jitters, or flashes.

The monitor connections may be incomplete or the monitor may be incorrectly adjusted.

1.Be sure the monitor cable is securely connected to the computer.

2.In a two-monitor system or if another monitor is in close proximity, be sure the monitors are not interfering with each other’s electromagnetic field by moving them apart.

3.Fluorescent lights or fans may be too close to the monitor.

	Monitor needs to be	Degauss the monitor.
	degaussed.
Vibrating or rattling noise	Monitor degaussing coil	None. It is normal for the
coming from inside a CRT	has been activated.	degaussing coil to be activated
monitor when powered on.		when the monitor is powered on.
Clicking noise coming from	Electronic relays have	None. It is normal for some monitors
inside a CRT monitor.	been activated inside	to make a clicking noise when
	the monitor.	turned on and off, when going in
		and out of standby mode, and when
		changing resolutions.

D–8 490778-001 Service Reference Guide