Acer DM431K Manuel de l'utilisateur - Page 27

Parcourez en ligne ou téléchargez le pdf Manuel de l'utilisateur pour {nom_de_la_catégorie} Acer DM431K. Acer DM431K 29 pages.
Également pour Acer DM431K : Manuel de l'utilisateur (7 pages)

Imprimer la page
Acer DM431K Manuel de l'utilisateur

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 Blue
Unstable picture
Abnormal picture Image is missing,
LED status
Off
Orange
off-center, too
large or too small
on the screen.
Using the OSD, 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, 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.
16
Remedy