Acer AL1516W Bedienungsanleitung Seite 14

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AL1516W
EN-13
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)
ProblemsCurrent StatusRemedy
No
Picture
LED ON
·
Using OSD, adjust brightness and contrast to
maximum or reset to their default settings.
LED OFF
·
Check the power switch.
·
Check if AC power cord is properly connected
to the monitor.
LED displays
amber color
·
Check if video signal cable is properly
connected at the back of monitor.
·
Check if the power of computer system is ON.
Abnormal
Picture
Unstable Picture
·
Check if the specification of graphics adapter
and monitor is in compliance which may be
causing the input signal frequency mismatch.
Display is missing,
center shift, or too
small or too large
in display size
·
Using OSD, adjust RESOLUTION, CLOCK,
CLOCK-PHASE, H-POSITION and V-
POSITION with non-standard signals.
·
Using OSD, in case of missing full-screen image,
please select other resolution or other vertical
refresh timing.
·
Wait for a few seconds after adjusting the size of
the image before changing or disconnecting the
signal cable or powering OFF the monitor.
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