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nHardware Issues
POWER Key does not respond
•
Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor.
LED on monitor is not lit (no blue or amber color can be seen)
•
Make sure the power cord is properly connected to the monitor and the wall, and make sure the monitor's power switch is
on.
•
Increase the [LED BRIGHTNESS] adjustment.
No Video
•
If no video is present on the screen, turn the POWER key off and on again.
•
Make sure the computer is not in a power-saving mode by touching the connected keyboard or the connected mouse.
•
When using DisplayPort, some display cards do not output video signal under low resolution modes when the monitor is
turned OFF/ON or disconnected/connected from the AC power cord.
•
When using an HDMI input terminal, please change [OVER SCAN] (see
•
Make sure [VIDEO DETECT] is set to [NONE] (see
•
Make sure [USB FUNCTIONALITY] is set to [AUTO] or [ON] or [90W] (see
•
If the image of 3840 x 2160 resolution (EA272U), 2560 x 1440 resolution (EA272Q) is noisy, unstable or there is no video,
please refer to "Recovering from no image" (see
No Sound
•
Check to see if [MUTE] is activated.
•
Check to see if [VOLUME] is set to a minimum.
•
Check to see if the computer supports an audio signal through DisplayPort, HDMI or USB Type-C.
•
Connect headphones to the monitor (EA272Q only).
•
Change setting of the [USB FUNCTIONALITY] other than [90W] to output sound from speaker (EA272U only).
The USB Hub does not operate
•
Check to make sure that the USB cable is properly connected. Refer to your USB device User's Manual.
•
Check that the USB upstream port on the monitor is connected to the USB downstream port on the computer, and make
sure the computer is ON.
•
Make sure the USB-C cable is properly connected.
•
Check the [USB FUNCTIONALITY] settings (see
•
Turn the power switch off and on again.
Human sensor does not work
•
Make sure there is no object in front of the Human sensor.
•
Make sure there is no equipment that radiates infrared rays in front of the monitor.
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