USB Serial Port Driver Windows 11
How to Update the Prolific USB Serial Port Driver for Windows 11?
If you’re using a Prolific USB-to-serial cable or adapter and Windows 11 is not automatically installing the correct driver, you may get an error in Device Manager. If that happens, you can use an automatic driver update tool like EaseUS DriverHandy to help. So, you can download the latest version of USB Serial Port Driver Windows 11 from here.
Download USB Serial Port Driver Windows 11 (Here)
Once the driver is installed, it will show up in the list of ports under Ports (COM & LPT) in Device Manager. You can then access it just like any other COM port in your application software.
PL2303 (Prolific) Driver:
The PL2303 (Prolific) Driver is a Windows driver that allows you to connect RS-232 serial devices to your computer using a USB cable. It functions as a bridge connection between the DB 9-pin male serial port connector on one end of the cable and the standard Type-A USB plug connector on your computer’s motherboard. While Windows 11 usually updates the drivers for this device automatically, there are times when you may need to manually download and install the PL2303 driver for your system.
Often, you will encounter the PL2303 phased-out error or pl2303hxa phased-out error when trying to use your USB-to-serial cable device on your Windows 11 PC. Luckily, you can resolve this issue by following the three solutions listed in this article. These methods are relatively easy to implement and require minimal technical knowledge. They also help you avoid the hassle of searching for the correct drivers online. They will also ensure that your computer is running with the latest and most up-to-date drivers.
PL2303 Driver Installation:
A USB-to-serial adapter cable can help you connect a serial device to your Windows computer. However, it is important to install the correct drivers to ensure that the device is properly recognized. You can manually download and install the PL2303 driver for Windows 11 using the steps below.
The PL2303 drivers are required to communicate between the operating system and the Prolific USB-to-serial device. Without them, the device will not be able to establish a connection with the OS and will not work correctly. In some cases, the Windows OS may also display a Code 10 error when you try to connect to the USB-to-serial device.
To download the PL2303 driver for your Windows 11 computer, visit the official website of Prolific. Hover your mouse over the Products Application section, and a drop-down menu will appear. Select the USB to UART RS232 Serial Windows driver from the list of options, and follow the instructions on the screen to complete the installation process.
PL2303 Driver Not Working:
When you connect a USB-to-Serial cable to your computer, the operating system downloads and installs a driver. This allows the operating system to identify and establish a connection with devices that use serial ports like industrial equipment, sensors, telescopes, GPS units, etc. However, some users report that after they update to Windows 11, the Prolific PL2303 driver fails to work correctly.
To fix this problem, you must make sure that the driver is updated to the latest version. To do so, open the Device Manager and expand Ports (COM & LPT). Right-click on your USB to serial adapter and select Properties. Check the COM port number to be sure that it isn’t being used by an application.
Another solution is to install Bit Driver Updater, a globally recognized driver updating tool that scans your PC for outdated drivers and then automatically downloads and installs them in an atomic manner. This can solve many issues that may cause the PL2303 Driver Not Working issue in Windows 11. Download and try it for free now!
PL2303 Driver Not Found:
If you are using a USB to Serial adapters like the Prolific PL2303-DB9 and Windows 11, you may have run into an issue where the driver is not found. In this case, the device is not recognized by Windows and will show an error in the Device Manager with a yellow exclamation mark.
This problem can be caused by an outdated or damaged PL2303 driver. However, the good news is that there are several workarounds you can use to fix this issue.
The first step is to roll back the driver to an older version. You can do this by opening the Device Manager and selecting the Ports (COM & LPT) section. Expand it, locate the Prolific USB to Serial Comm Port, and right-click on the driver. Then, select the Rollback Driver option. Click OK to continue. This will restore the driver to its previous version and should resolve the issue. It can also help if you install the latest drivers from Prolific.
