Why does the Xiaomi phone prompt that it is an unrecognized USB device when connected to the computer?

Why does the Xiaomi mobile phone prompt that the USB device cannot be recognized when connected to the computer?Many friends have been asking this question recently. After all, sometimes we still need to connect the mobile phone to the computer, but some friends find that it cannot be connected. What is the reason?When a Xiaomi mobile phone prompts "Unrecognized USB device" when connected to a computer, it may be caused by a variety of reasons. The following are some common reasons and corresponding solutions.

1. Check the USB cable and interface

The USB cable is damaged: First check whether the USB cable is physically damaged or has poor contact.You can try replacing a new USB cable for testing.

Interface problem: Check whether there are foreign objects or dirt in the USB interface of the mobile phone, which may affect the connection.You can use a cotton swab to gently wipe the interface to ensure it is clean and free of foreign matter.

2. Check the phone settings

USB debugging is not turned on: Xiaomi phones need to turn on the USB debugging function in the developer options in order to be correctly recognized by the computer.It can be turned on by following these steps:

Go to your phone's "Settings" -> "More Settings" -> "Developer Options".

In the developer options, find "USB debugging" and enable it.

USB mode selection: In the phone's "Settings" -> "Storage" or "More connection methods", check the USB computer connection mode and make sure the correct mode is selected (such as MTP mode).

3. Check computer settings and drivers

Driver problem: The computer needs to install the correct Xiaomi phone driver to recognize the phone.If it doesn't install or the driver is corrupt, you can try the following:

Use mobile assistant software (such as Xiaomi Assistant, Wandoujia, etc.) to automatically detect and install drivers.

Go to Xiaomi's official website to download the driver for the corresponding model and follow the prompts to install it.

Insufficient power supply to the USB interface: If the computer's front USB interface has insufficient power supply, the phone may not be recognized.You can try to connect the USB cable to the USB interface on the back of the computer host.

4. Other possible reasons

Mobile phone system problems: If there are bugs or abnormalities in the mobile phone system, the USB connection may be affected.You can try restarting the phone or updating the phone system to the latest version.

Computer system problems: Certain settings or faults in the computer system may also cause the USB device to be unrecognized.You can try to connect your phone to another computer for testing to rule out computer hardware or system problems.

When a Xiaomi phone prompts "Unrecognized USB device" when connected to a computer, you can troubleshoot and solve it from multiple aspects such as USB cable and interface, phone settings, computer settings and drivers.If none of the above methods can solve the problem, it is recommended to contact Xiaomi customer service or go to Xiaomi’s official authorized repair center for maintenance. I believe you will know after reading this. Finally, I wish you all a happy life!