English−32
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 page 41).
• 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.
USB Type-C device does not work
“Warning: Remove USB-C cable” OSD was shown.
• The monitor detected abnormal voltage or current on USB-C port. Please remove USB-C cable immediately.
No picture
• Make sure [USB FUNCTIONALITY] is set to [ON] (see page 41).
• Check if the connected USB-C device complies with DisplayPort Alt Mode on USB Type-C.
• Check if the USB-C cable complies with SuperSpeed USB.
Charging is not started or unstable.
• Make sure [USB FUNCTIONALITY] is set to [ON] (see page 41).
• Check if the connected USB-C device complies with USB Power Delivery.
• Check if the USB-C cable complies with USB Power Delivery.
• The monitor might have excessive voltage or over current on USB-C port. Please remove the USB-C cable immediately.
• If you still have trouble, unplug the monitor’s power cord from the AC outlet and then remove the USB-C cable. Reconnect
the power cord and then the USB-C cable.
LAN port does not work
• When applying 1000 Mbps communication, please use a compatible LAN cable.
• Make sure a computer is connected to the monitor with a USB-C cable.
• Make sure the LED lights up when connecting a LAN cable to the monitor.
• Please refer to the Terminal Panel (see page 14) for information about the LAN port’s LEDs states.
• Check if [USB FUNCTIONALITY] is set to [AUTO] or [ON].
• Check if [USB LAN] is set to [ON].
• Make sure the driver is installed.
• Depending on the computer or OS, a manual driver installation may be needed. For the latest driver update, please visit
Realtek website and download desired file from “Realtek USB GBE Ethernet Family Controller Software”.
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