Hp Compaq S2021 20-inch Widescreen LCD Monitor Instrukcja Użytkownika Pobierz pdf (Strona 28)

Troubleshooting

Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the recommende

solutions:

Problem

Solut

Power LED is not on.

Make sure the Power button is on, and the power cord is properly conn

ected

to a grounded power outlet and to the monitor.

Screen is blank.

Connect the power cord. Turn on the power.

Connect the video cable properly. See “Setting Up the Monitor” for

information.

Press a key on the keyboard or move the mouse to turn off the screen-

blanking utility.

Image appears blurre

indistinct, or too dark.

Press the Auto/OK button on the monitor front bezel. 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

icture

and then select

ori

Vertical

Position

to adjust

the

position of the image.

Check Video Cabl

appears on screen.

Connect the monitor VGA or DVI signal cable to the signal connector on

the computer. Be sure that the computer power is off while connecting the

video cable.

Input Signal Out o

Range appears o

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 bo

x. 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.

Appendix A Troubleshooting

ENWW

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