Many users of win 10 system always find that the serial port fails to open when they use burning in their computers. Please check whether the specified serial port exists or has been opened, and how to solve it. This tutorial will explain to you the specific steps to prompt the serial port to open failure when burning win 10 system.

1. Right-click on the Start menu and select Device Manager. After opening the device manager, right-click to check whether the serial number is correct;

2. Check the software you have opened to see if any other software occupies this serial port;

3. Plugging and unplugging the serial port hardware again may be a hardware problem;

4, restart the computer, open the software to burn!

What I have introduced to you above is the detailed operation steps of prompting the serial port to open when the win 10 system burns out. I hope that the above tutorial content can be solved according to the above methods.