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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.
Problems Current Status
LED ON
LED OFF
No
Picture
LED displays
amber color
Unstable Picture
Display is missing,
center shift, or
too small or too
Abnormal
large in display
Picture
size
Abnormal
No sound, or
Sound
sound level is too
low
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 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.
·
Check the audio cable with the host PC is
connected.
·
Check if the volume setup of the host PC is
in minimum position and try to raise the
volume level.
E-18
T71W
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