Acer A231H User Manual - Page 21

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Acer A231H User Manual
(DVI Mode)
Problems
Current Status Remedy
LED ON
LED OFF
No Picture
LED displays
amber color
Abnormal
No sound, or
Sound
sound level is
(Only Audio-
too low
Input model)
(Optional)
·
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.
EN-20