Sometimes we connect the mobile phone to the computer to perform some operations, but after the mobile phone is plugged into the computer, "Unrecognized USB device" appears in the lower right corner of the computer desktop. The previous USB device connected to this computer is not working properly. Windows It cannot be recognized" prompt, how to solve this problem? Today, the editor of Huajun brings you a simple and easy-to-understand solution. I hope you will support and share the carefully selected content. If you like it, hurry up and get it!
Solution one:
1. Right-click "My Computer" and select the "Manage" option;
2. Click "Device Manager", pull down the "Universal Serial Bus Controller" option, find "Unknown USB Device (Device Description Request Failed)", and find the crux;
3. This problem may be related to USB power supply. Select "usb root hub" and select "Power Management". As shown in the figure, turning off the power is not allowed;
Solution two:
1. If it cannot be started after changing the above methods, it proves that the problem is on the mobile phone and you need to download the mobile phone connection software;
2. Choose to use wifi connection;
3. Scan this QR code with your mobile phone;
4. After scanning with your mobile phone, click "Install Now";
5. Enter the numbers displayed on the mobile phone into the computer to complete the connection;
The above are the methods to solve the above prompt when connecting the mobile phone to the computer. If the same prompt appears after you connect the mobile phone to the computer, you can try the above method to solve it. Finally, I hope this tutorial can be helpful to you.
