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

The power source LED is on

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 scales.

indistinct, or too dark.

 

 

 

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.

 

NOTE: HDMI input is available for select models only.

 

 

Input Signal Out of Range

Restart your computer and enter Safe Mode. Change your settings to a supported setting (see

appears on screen.

the table in Preset Video Modes on page 28). 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 plugging

problem.

the monitor directly into the graphic card output connector on the back of your computer.

 

 

 

Unable to set the monitor to

Make sure that the graphics card supports the optimal resolution.

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) select models on page 12 or www.hp.com/support.

24 Appendix A Troubleshooting