A Troubleshooting

Solving Common Problems

The following table lists problems you might encounter, the possible cause of each problem, and the recommended solutions.

Table A-1Common Problems

Problem

Possible Cause

Solution

 

 

 

 

 

Screen is blank.

Power cord is disconnected.

Connect the power cord.

 

 

 

 

 

Master power switch on the

Set the master power switch to the on position (I)

 

monitor's rear panel is turned

and press the front panel power button.

 

off.

 

 

 

 

 

 

Power button on front panel of

Check that the master power switch on the rear of

 

the monitor is turned off.

the monitor is set to the on (I) position. Press the

 

 

front panel power button.

 

 

 

NOTE: If pressing the power button has no effect,

 

 

press and hold the power button for 10 seconds to

 

 

disable the power button lockout feature.

 

 

 

 

Video cable is improperly

Connect the video cable properly. Refer to Chapter

 

connected.

3, Setting Up the Monitor on page 6 for more

 

 

information.

 

 

 

 

 

Wrong video cable is in use.

Ensure that you are using the video cables that

 

 

came with the monitor.

 

 

 

 

 

Screen blanking is active.

Press any key on the keyboard or move the mouse

 

 

to inactivate the screen blanking utility.

 

 

 

Screen is blank and LED is flashing

The input signal requires an

Check the table of preset display modes for your

blue.

unsupported display mode.

model; see Preset Display Resolutions

 

 

on page 46.

 

 

 

 

Screen image appears distorted; text is

The computer's graphics card

Set the computer's display resolution to the same

fuzzy or blurred; image quality is

resolution is set lower or

mode as the monitor's recommended native screen

degraded.

higher than the monitor's

resolution to provide the best picture quality.

 

native resolution.

 

 

 

 

 

 

Screen image appears distorted;

Non-proportional scaling is in

Set the scaling option (

) in the OSD to "Fill to

shapes seem wrong.

effect.

Aspect Ratio."

 

 

 

 

 

 

 

Image appears blurred, indistinct, or

Brightness and contrast are too

Increase the brightness. Increase the contrast or turn

too dark.

low.

on DCR (dynamic contrast ratio).

 

 

 

Image is not centered.

Position may need adjustment.

Press the Menu button to access the OSD menu.

 

 

Select Image Control/Horizontal Position or Vertical

 

 

Position to adjust the horizontal or vertical position

 

 

of the image.

 

 

 

 

 

40 Appendix A Troubleshooting

ENWW