Acer AL1703 Manuale d'uso - Pagina 8

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TROUBLE SHOOTING

No image

No Signal Input

"Out Of Range"

Fuzzy image

Image too bright

Image too dark

Irregular image

Distorted image

Image is not centered

Size is not appropriate

Uneven color

Color too dark

Dark area distorted

White color is not white

Can't adjust LCD monitor

with the buttons in the

front.

The other problem

Check the information in this section to see if the problems can be solved before

requesting repair.

Note：The consumers are only allowed to solve the problems described as below.

Any unauthorized product modification, or failure to follow instructions

supplied with the product will end the warranty immediately.

Make sure power button is ON.

Check whether the LCD monitor and computer power cords are plugged and

whether there is a supply of power.

Check the signal connection between the computer and LCD monitor.

Check the computer image output resolution and frequency and compare the value

with the preset values (Please refer to [Appendix-Display Mode]).

Adjust Phase.

Adjust brightness and contrast by OSD.

Check the signal connection between the computer and LCD monitor.

Perform Auto Adjust.

Reset the LCD monitor. (perform the "Recall" function by OSD)

Take off extra accessories (such as signal extension cord).

Use OSD Image Menu to adjust H. Position and V. Position.

Check image size setting.

Perform Auto Adjust.

Use OSD Color Menu to adjust color setting.

Please contact the stores where you purchased the unit or service center listed at

your warranty card.