Troubleshooting Sa series Acer SA220Q

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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

Problem

LED status

Remedy

No picture visible

Blue

Using the OSD menu, adjust brightness and 
contrast to maximum or reset to their default 
settings.

Off

Check the power switch.

Check if the power cord is properly connected 
to the monitor.

Blinking Blue

Check if the video signal cable is properly 
connected at the back of monitor.

Check if the computer system is switched on 
and in power saving/standby mode.

Unstable picture

Blue

Check if the specification of graphics adapter 
and monitor is in compliance which may be 
causing the input signal frequency mismatch.

Abnormal picture
(Image is missing, 
off-center, too large 
or too small on the 
screen.)

Blue

Using the OSD menu, adjust focus, clock, 
H-position and V-position with non-standard 
signals.

Check the display setting on your system. In 
case of a missing image, please select another 
resolution or vertical refresh rate.

Wait for a few seconds after adjusting 
the size of the image before changing or 
disconnecting the signal cable or switching 
off the monitor.