1, turn on USB to the serial port installation program;
2, according to the prompts after the installation will eject "drive preinstallation Success" tips;
3, if you open the Device Manager to see the port to find the corresponding device icon or display a yellow exclamation point, it should be the driver and the system has been incompatible with the problem;
4, if this is the case, you can download Pl2303_prolific_driverinstaller_v110.exe from the Internet, and to install;
5, after installation, open the Device Manager, you can see that the driver has not been properly installed;
6, right-click USB switch Serial device icon, select Open properties;
7, switch to the "Driver" tab, click "Update Driver";
8, open and select "Browse the computer to find driver software";
9, click "Choose from the list of the device driver of the computer";
10, select the correct version in the list and click Next;
11, then will be prompted to drive the installation of success;
12, return to the Device Manager, icon Normal display, indicating that the corresponding driver has been properly installed.