Acer X223W - Manual (Page 22)

EN-21
X223W
(DVI Mode)
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 power switch.
· Check if AC power cord is properly
connected to the monitor.
LED displays
amber color
· Check if video signal cable is properly
connected at the back of monitor.
· Check if the power of computer system
is ON.