24
TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the
troubleshooting list below to see if you can self-diagnose the problem.
(HDMI/DP 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 flashes
•
Check that the video signal cable is
properly connected to the back of the
monitor.
•
Check whether the computer system’s
power is on.
Abnormal Sound (Only
Audio-Input model)
(Optional)
No sound, or sound
level is too low
•
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.
Summary of Contents for 193199140210
Page 1: ...Acer LCD Monitor User s Guide ...
Page 37: ...KA220Q xxxxxx KA220Q x 0 9 a z A Z or blank ...
Page 38: ......
