LG 40WP95C Owner's Manual page 14

Case 1: Thunderbolt TM 3 / 4 ( ) Input
Peripheral devices connected to the USB IN port can be controlled from the PC.
If you change the input on the menu while a device is connected via the Thunderbolt
device connected via the USB port may not work properly.
To use Thunderbolt cable
To use USB 3.0, connect the Thunderbolt cable from the monitor to your PC.
Monitor
To use USB C cable
To use USB 2.0, connect the USB C cable from the monitor to your PC.
Monitor
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Case 2: HDMI/DP (DisplayPort) Input
Peripheral devices connected to the USB IN port can be controlled from the PC.
TM 3 / 4 ( ) port, then the
To use USB C-A cable
To use USB 3.0, connect the USB C-A cable from the monitor to your PC.
Monitor
PC
PC
(sold separately)
PC