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→Connect USB mouse or keyboard to test
# Insert the keyboard with USB interface into the USB interface of Orange Pi development board<br>
# Connect the Orange Pi development board to the HDMI display<br>
# If the mouse or keyboard can operate normally, it means that the USB interface is working normally (the mouse can only be used in the desktop version of the system)<br>
<span id="connect-usb-storage-device-test"></span>