Troubleshooting - Acer BM320 User Manual

TROUBLESHOOTING

Before sending your LCD monitor for servicing, please check the trouble-
shooting list below to see if you can self-diagnose the problem.
(DP/mini-DP/DVI/HDMI/MHL Mode)
Problems
No Picture
Abnormal Sound
(Only Audio-Input
model)
(Optional)
Current Status
LED ON
LED OFF
LED displays amber color
No sound, or sound level
is too low
EN-23
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 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.