Acer ED320QR User Manual - Page 31
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(HDMI mode) Problem Status LED lights up No picture LED off LED flashes Audio abnormal (only Audio No audio, or the input model) volume is too low (optional) Solution • Please use the OSD to maximize brightness and contrast, or reset it to a preset value. • Check the power switch. • Ensure that the AC power adapter is properly connected to the monitor. • Check that the video signal cable is properly connected to the back of the monitor. • Check whether the computer system's power is on. • Check whether the audio cable is connected to the PC. • Check if the volume of the PC is set to minimum, and try to increase the volume. 21
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21
(HDMI mode)
Problem
Status
Solution
No picture
LED lights up
•
Please use the OSD to maximize
brightness and contrast, or reset it
to a preset value.
LED off
•
Check the power switch.
•
Ensure that the AC power adapter 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.
Audio abnormal
(only Audio
input model)
(optional)
No audio, or the
volume is too low
•
Check whether the audio cable is
connected to the PC.
•
Check if the volume of the PC is set
to minimum, and try to increase the
volume.