TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the troubleshooting
list below to see if you can self-diagnose the problem.
EX210/EX240W
25
Problems
Current Status
Remedy
No Picture
LED ON
· Using OSD, adjust brightness and
contrast to maximum or reset to their
default settings.
LED OFF
· Check the Locker switch and Power
switch.
· Check if AC power cord is properly
connected to the AC adapter.
LED Blinking
· Check if video signal cable is properly
connected at the back of monitor.
· Check if the power to 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 Auto Setup button, if still display
abnormal picture then adjust 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 in
your Operating System (Windows 95/98,
NT) or other vertical refresh timing.
· Must wait for a few seconds after
adjusting the size of the image before
changing or disconnecting the signal or
powering OFF the monitor.
ENGLISH
