What is the use of usb interface on the monitor?

The USB interface on the monitor can be used as a USB hub and can also supply power to other devices. The USB interface of the display generally has 1 USB-B ports (square ports) and several USB-A ports (flat ports). Connect the monitor to the computer through the A-B data cable, and the USB port on the monitor can be used for device connection, data transmission or charging.

In this paper, Dell u 2419hs; ; Windows 10 explains the case.

1. Prepare a USB-A public to USB-B public data line.

2. Plug the A male (flat head) of the data cable into the USB interface of the computer and the B male (square head) into the USB-B interface of the monitor.

3. After the connection is successful, you can use the USB-A port (flat port) on the monitor.

4. Insert U disk, mobile hard disk, mouse, keyboard, USB external disk and other devices into the USB-A port (flat port) of the monitor, and the computer can successfully recognize reading, just like the USB port of the computer.

5. The USB-A interface (flat port) of the monitor can supply power for devices such as USB nightlight and USB mini-fan, even if the monitor is not connected to the computer through the A-B data cable.