User`s manual

Chapter 4 Troubleshooting

Problems Possiblecauseandremedy

6. Charactersareblurred. • Check whether the signal setting of your PC matches

the resolution and the vertical frequency settings for the

monitor. (page 10)

• Adjust using <Smoothing>. (page 15)

7. Thescreenistoobrightortoodark. • Adjust using <Brightness> or <Contrast>. (The LCD

monitor backlight has a xed life span. When the screen

becomes dark or begins to icker, contact your local

dealer.)

• Turn on the Auto EcoView function. (page 19) The monitor

detects the environmental brightness to adjust the

screen brightness automatically.

8. Afterimagesappear. • Afterimages are particular to LCD monitors. Avoid

displaying the same image for a long time.

• Use the screen saver or power save function to avoid

displaying the same image for extended periods of time.

9. Green/red/blue/whitedotsordefectivedotsremain

onthescreen.

• This is due to LCD panel characteristics and is not a

failure.

10. Interferencepatternsorpressuremarksremainon

thescreen.

• Leave the monitor with a white or black screen. The

symptom may disappear.

11. Thedisplayimageisappearedinlengthwise. • Check whether the kind of cables connected with the

monitor and the PC. (Re-connect the monitor and cables

correctly by referring to the Setup Guide.)

12. Theadjustmentmenudoesnotappear. • Check whether the operation lock function works. (page 19)

13. Theauto-adjustmentfunctiondoesnotwork

correctly.

• This function does not work when digital signal is input.

• This function works correctly when an image is fully

displayed over the display area.

It does not work properly when an image is displayed

only on a part of the screen (DOS prompt window, for

example) or when a black background (wallpaper, etc.) is

in use.

This function does not work correctly with some graphics

boards.

14. Noaudiooutput • Check whether the mini jack cable is correctly.

• Check whether volume is set to “0”.

• Check the settings of the PC and the audio playback

software.