Acer T230H TROUBLESHOOTING

T230H
EN- 20
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 Remedy
LED ON  Using OSD, adjust brightness and contrast to maximum or
reset to their default settings.
 Check the power switch.
LED OFF  Check if AC power cord is properly connected to the
monitor.
 Check if video signal cable is properly connected at the
back of monitor.
No Picture
LED displays amber
color  Check if the power of computer system is ON.
Unstable Picture
 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.
Abnormal Picture Display is missing,
center shift, or too small
or too large in display
size  Wait for a few seconds after adjusting the size of the image
before changing or disconnecting the signal cable or
powering OFF the monitor.
(DVI Mode)
Problems Current Status Remedy
LED ON  Using OSD, adjust brightness and contrast to maximum or
reset to their default settings.
 Check the power switch.
LED OFF  Check if AC power cord is properly connected to the
monitor.
 Check if video signal cable is properly connected at the
back of monitor.
No Picture
LED displays amber
color  Check if the power of computer system is ON.