Honor short circuit motherboard does not display port, you should open device manager. The computer opens the device manager in advance to observe the reaction of the computer after the plug-in is short-circuited. If successful, the computer will have a device connection prompt tone and refresh the Huawei Kirin deep brush port (Huawei SBCOM 1.0 (COM 3)) in the device manager. If the computer doesn't respond, check whether the short-circuit tool, data cable, computer socket and mobile phone are turned off, and then try to short-circuit several times, and then you can let go after you exit the port (Huawei SBCOM 1.0 (COM 3)).