What should I do if the mobile data cable is not connected to the computer?
1. The USB interface is not available
To check whether the USB interface is useful, the most direct method is to connect the USB data cable to the mobile phone and see if the mobile phone has a charging prompt. If the mobile phone data cable is connected to the computer, it is only displayed on the charging, but cannot be operated on the computer. If it does, first explain that the computer 's USB interface is okay. As for why there is no response on the computer, it is mainly due to the problem that the phone does not have a driver installed or the phone settings.
If the mobile phone data cable is connected to the computer and there is nothing on the mobile phone, either the mobile phone data cable is broken (this situation is generally less unless the mobile phone data cable is flooded or broken, etc.), or the computer USB interface is not allowed. use. It is more common to not use a computer USB interface, which is generally caused by the following reasons:
Some desktop computers have USB ports on the front and back of the chassis, and the USB ports on the front of the chassis need to be connected to the motherboard. If the USB cable on the front chassis is not plugged into the motherboard during installation, the USB interface on the front of the computer chassis is It is not available, so if you encounter this situation, you can try connecting the data cable to the USB interface on the back of the desktop computer case (the rear USB interface comes directly from the motherboard, and there is generally no problem).
In addition to check whether it is a problem with the USB interface, you can also take a U disk or USB mouse to test whether the interface is useful. There is also a possibility that the USB interface is blocked in the BIOS settings. Usually Internet cafes will use this method. If the mobile phone data cable is connected to the computer in the Internet cafe and there is no response. Most of this is the case. You can consult the Internet cafe staff.
2. After the mobile phone data cable is connected to the computer, the mobile phone displays charging
If the phone data cable is connected to the computer and the phone interface displays charging, then this has ruled out the problem of the computer USB interface and the phone data cable. This situation is usually a problem with the driver or phone settings. First of all, we need to check the settings of the mobile phone, especially Android phones, you need to turn on the "USB debugging mode" in the mobile phone settings to be recognized by the computer, so the first step is to check whether the USB debugging mode in the mobile phone settings is turned on.
After the USB debugging mode is turned on, if the computer still cannot recognize the mobile phone, please install any auxiliary tool in the computer. When the network is connected, open the tool, and then usually detect the mobile phone, and then automatically install the corresponding mobile phone driver , If it is an iPhone, please download the iTunes tool.