How to Update the PL2303 Driver on Windows 11

Step 4 - Here you will see the complete list of hardware available to your system. So, select "Ports (COM & LPT)". Step 5 - Then, click "Next" to install the driver properly. Step 6 - At the last step of the process, click "Finish" to complete the process. Now, you should see the Ports (COM & LPT) node in the Device Manager... The PL2303 v408 Driver for Windows 11 problem was immediately solved when I attached a USB-C Adaptor with USB-A Ports to the same computer and connection of the same lead to the CELESTRON NEXSTAR+ & STARSENSE HAND CONTROLLERS. The USB-C Adaptor & USB-A Ports were immediately recognized by the Drivers and allowed perfect communication. Kind Regards,

The PL2303 driver will now start working on your Windows 11 computer. 2. Update the PL2303 Driver. It is recommended to keep all device drivers updated for the computer to function smoothly. The same applies to the PL2303 driver. If it doesn't work after installation, it's time to update it from the Device Manager.. What Is PL2303 Driver Windows 11? The Prolific PL-2303 USB to Serial adapter is your smart and convenient accessory for connecting RS-232 serial devices to your USB-equipped Windows host computer. It offers a bridge connection with a standard DB 9-pin male serial port connector on one end and a standard Type-A USB plug connector on the other end.