Acer Awmidx ED322Q Manuale d'uso - Pagina 27

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Troubleshooting

Before sending your LCD monitor for servicing, please check the troubleshooting list

below to see if you can self-diagnose the problem.

VGA Mode

Problem

No picture visible

Unstable picture

Abnormal picture

LED status

Blue

Off

Flicker

Blue

Image is missing,

off-center, too

large or too small

on the screen.

Remedy

Using the OSD menu, adjust brightness

and contrast to maximum or reset to their

default settings.

Check the power switch.

Check if the power cord is properly

connected to the monitor.

Check if the video signal cable is properly

connected at the back of monitor.

Check if the computer system is switched

on and in power saving/standby mode.

Check if the specification of graphics

adapter and monitor is in compliance

which may be causing the input signal

frequency mismatch.

Using the OSD menu, adjust focus, clock,

H-position and V-position with non-

standard signals.

Check the display setting on your system.

In case of a missing image, please select

another resolution or vertical refresh rate.

Wait for a few seconds after adjusting

the size of the image before changing

or disconnecting the signal cable or

switching off the monitor.