Acer EB321HQ User Manual download pdf (Page 25)

DVI mode

Problem LED status Remedy

No picture visible Blue Using the OSD, adjust brightness and contrast to

maximum or reset to their default settings.

O Check the power switch.

Check if the power cord is properly connected to

the monitor.

Orange Check if the video signal cable is properly

connected at the back of monitor.

Check if the computer system is switched on and

in power saving/standby mode.

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Acer EB321HQ User Manual Page 25