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Troubleshooting - Acer X153W User Manual

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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)
Problems
Current Status
LED ON
LED OFF
No Picture
LED displays amber
color
Unstable Picture
Abnormal
Display is missing,
Picture
center shift, or too
small or too large in
display size
Remedy
Using OSD, adjust brightness and contrast to maximum
or reset to their default settings.
Check the power switch.
Check if AC power cord is properly connected to the
monitor.
Check if video signal cable is properly connected at the
back of monitor.
Check if the power of computer system is ON.
Check if the specification of graphics adapter and
monitor is in compliance which may be causing the input
signal frequency mismatch.
Using OSD, adjust RESOLUTION, CLOCK, CLOCK-PHASE,
H-POSITION and VPOSITION 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.
EN- 18
X153W

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