Acer T272HUL - Manual (Page 20)

EN-19
TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the trouble-
shooting list below to see if you can self-diagnose the problem.
(DVI/HDMI Mode)
Problems Current Status Remedy
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
No Picture
connected to the monitor.
LED displays · Check if video signal cable is properly
amber color connected at the back of monitor.
· Check if the power of computer system
is ON.
Abnormal No sound, or · Check the audio cable with the host PC
Sound sound level is is connected.
(Only Audio- too low
Input model)
· Check if the volume setup of the host
(Optional) PC is in minimum position and try to
raise the volume level.