How to Install and Use Driver for Prolific USB to RS232 Serial Adapter
If you have a device that uses a serial port to communicate with your computer, such as a modem, scanner, or printer, you may need a USB to RS232 serial adapter to connect it. A USB to RS232 serial adapter is a small device that converts the USB signal to a serial signal that your device can understand.
driver prolific usb to rs232 serial adapter
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One of the most popular USB to RS232 serial adapters is the Prolific PL2303 series. This adapter has a chip that supports various Windows operating systems, including Windows 11. However, you may encounter some issues when installing and using this adapter, such as driver compatibility problems or error codes. In this article, we will show you how to download, install, and update the driver for Prolific USB to RS232 serial adapter on Windows 10/11.
Method 1: Manually Download USB to RS232 Driver from Manufacturerâs Site
The first method to install the driver for Prolific USB to RS232 serial adapter is to download it manually from the manufacturerâs site. This method requires you to know the exact model and version of your adapter and your Windows operating system. Here are the steps to follow:
Go to Prolificâs official website and find the product page for your adapter. For example, if you have a PL2303HXD adapter, you can find it under Products > SIO (Smart-IO) > USB to UART/Serial/Printer > PL2303 Windows Driver Download.
On the product page, you will see a table with different driver versions and file names for different Windows operating systems. Choose the one that matches your adapter and your Windows version. For example, if you have Windows 11 64-bit and a PL2303HXD adapter, you can choose the file name PL23XX_Prolific_DriverInstaller_v408.zip with version 4.0.8.
Click on the file name to download the driver installer zip file to your computer.
Extract the zip file and run the setup program inside it. Follow the on-screen instructions to install the driver for Prolific USB to RS232 serial adapter.
Restart your computer and plug in your adapter. You should be able to use it without any issues.
Method 2: Use Bit Driver Updater to Automatically Install USB to RS232 Driver (Recommended)
The second method to install the driver for Prolific USB to RS232 serial adapter is to use a third-party tool like Bit Driver Updater. This method is easier and faster than the manual method, as it can automatically scan your computer for outdated or missing drivers and update them with one click. Bit Driver Updater can also improve your PCâs performance and stability by fixing driver-related issues. Here are the steps to use Bit Driver Updater:
Download and install Bit Driver Updater from its official website.
Launch Bit Driver Updater and click on Scan Drivers. The tool will scan your computer for any driver problems and show you a list of drivers that need updating.
Find the driver for Prolific USB to RS232 serial adapter in the list and click on Update Now. Alternatively, you can click on Update All to update all drivers at once.
Wait for Bit Driver Updater to download and install the latest driver for Prolific USB to RS232 serial adapter.
Restart your computer and enjoy using your adapter.
Method 3: Update USB to RS232 Driver in Device Manager
The third method to install the driver for Prolific USB to RS232 serial adapter is to use Device Manager. This method is similar to the manual method, but it uses Windowsâ built-in tool to update drivers. However, this method may not always work, as Windows may not be able to find the latest driver for your adapter online. Here are the steps to use Device Manager:
Plug in your adapter and open Device Manager c481cea774