Acer 31.5" ED320Q Xbmiipx 240 Hz Curved Gaming Monitor - Manual (Page 35)

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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.