HP 2311gt Diagonal 3D manual Troubleshooting, Solving Common Problems

A Troubleshooting

Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the recommended solutions:

Problem	Solution
Power button LED is not on.	Make sure that the Power button is on, and the power cord is connected to a grounded
	power outlet and to the monitor.
	Select Management in the OSD menu, and then select Bezel Power LED. Check if the
	Bezel Power LED option is set to Off and, if so, set to On mode.
Power source LED is not on.	The monitor is not receiving power. Contact your authorized HP service provider to replace
The power source LED is on	the power adaptor.
the rear of the monitor next
to the power plug connector.
Screen is blank.	Connect the power cord. Turn on the power.
	Connect the video cable properly. See Setting Up the Monitor on page 6 for more
	information.
	Press a key on the keyboard or move the mouse to turn off the screen-blanking utility.
Image appears blurred,	Press the Menu button to open the OSD menu, and adjust the brightness and contrast
indistinct, or too dark.	scales.
Check Video Cable appears	Connect the appropriate video cable (VGA, DVI, or HDMI) between the computer and
on screen.	monitor. Be sure that the computer power is off while connecting the video cable.
Input Signal Out of Range	Restart your computer and enter Safe Mode. Change your settings to a supported setting
appears on screen.	(see the table in Preset Video Modes on page 35). Restart your computer so that the new
	settings take effect.
Picture is fuzzy and has	Adjust the contrast and brightness controls.
ghosting, shadowing	Make sure that you are not using an extension cable or switch box. HP recommends
problem.
	plugging the monitor directly into the graphic card output connector on the back of your
	computer.

Unable to set the monitor to the optimal resolution.

Make sure that the graphics card supports the optimal resolution.

Make sure that the latest supported driver is installed for the graphics card. For HP and Compaq systems, you can download the latest graphics driver for your system from: www.hp.com/support. For other systems, refer to the Web site for your graphics card.

Screen is black or displaying at a lower resolution while displaying high-definition (HD) content.

Check if your monitor and computer support HDCP. Refer to High-Bandwidth Digital Content Protection (HDCP) on page 12 or www.hp.com/support.

No Audio.	Make sure that the speaker audio cable and USB power cable are connected directly to the
	computer.
	NOTE: External speakers are not included with the monitor.

30 Appendix A Troubleshooting ENWW