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User’s Guide A-1
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Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended solutions:
Problem Solution
Power LED is not on. Make sure the Power button is on, and the power cord is properly 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.
Screen is blank. Connect the power cord. Turn on the power.
Connect the video cable properly. See “Setting Up the Monitor” for more information.
Press a key on the keyboard or move the mouse to turn off the screen-blanking utility.
Image appears blurred,
indistinct, or too dark.
Press the Auto/OK button on the monitor side panel. If this does not correct the image, press
the Menu button to open the OSD menu, and adjust the brightness and contrast scales.
Image is not centered. Press the Menu button to access the OSD menu. Select Image Control, and then select
Horizontal Position or Vertical Position to adjust the position of the image.
Check Video Cable appears
on screen.
Connect the monitor VGA signal cable to the VGA connector on the computer. Be sure that the
computer power is off while connecting the video cable.
Input Signal Out of Range
appears on screen.
Restart your computer and enter Safe Mode. Change your settings to a supported setting (see
the table in “Preset Video Modes” in Appendix B). Restart your computer so that the new
settings take effect.
Picture is fuzzy and has
ghosting, shadowing
problem.
Adjust the contrast and brightness controls.
Make sure that you are not using an extension cable or switch box. We recommend plugging
the monitor directly into the graphic card output connector on the back of your computer.
The auto adjustment feature might fix this problem.
Unable to set the monitor to
the optimal resolution.
Make sure the graphics card supports the optimal resolution.
Make sure 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.
Unable to hear audio from
built-in speakers.
Do the following:
■ Ensure the source signal is good by using headphones at the source.
■ Press the Menu button to access the OSD menu. Select Management, and then select
Volume to adjust the volume.
■ Turn up the volume with the side panel Volume button.
■ Ensure speaker volume is not muted or too low: Click the Windows Vista start
button™, Control Panel, and Hardware and Sound. Under Audio Devices and
Sound, click Adjust system volume. Under Main Volume, move the slider up.