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HomeCommon ProblemHow to install PL2303 (Prolific) driver in Windows 11

The Prolific PL2303 cable allows you to connect a serial device to a USB port on your computer. However, some users reported encountering issues with the missing PL2303 driver in Windows 11.

In most cases, Windows 11 should automatically install the cable driver, but sometimes you must manually download the PL2303 driver Windows 11.

Although most users give up on the idea of ​​using cables when they encounter the error, the solution is fairly simple.

Follow this download, installation and troubleshooting tutorial to learn how to install the PL2303 USB to Serial driver in Windows 11 and resolve issues.

Why doesn’t Windows automatically install the driver?

Every time you connect a new device or peripheral to your computer, Windows should ideally automatically detect it and download the associated driver. But not every piece of hardware is like that.

Drivers will only be installed after being submitted to Microsoft and approved by them. Device manufacturers should submit their drivers and get approval from Microsoft so they can be released with other Windows updates.

But some of them don't. Some due to lack of resources, others may find it a more convenient option to upload these drivers on their official website.

However, there are also manufacturers that initially obtain drivers approved by Microsoft but upload subsequent updates on their website.

In addition to this, some users have unknowingly configured settings so that Windows does not automatically search for updates.

In addition, sometimes the driver has been installed on the computer, but you may still be unable to access or use the related device.

The following are some possible errors related to the Prolific PL2303 USB to Serial Adapter:

  • Prolific PL2303 This device cannot start (Code 10)
  • The Prolific PL2303 has no Driver installation for this device
  • Prolific PL2303 device driver did not install successfully

This is the case when the driver is corrupted or outdated. In this case, it appears that the relevant driver is not installed unless you check Device Manager. Also, read this article to know how to fix outdated driver errors in Windows 11.

Now that you understand how the entire concept of Windows automatically detecting and installing relevant drivers works, let us now walk you through the steps to install the PL2303 driver in Windows 11.

How to install PL2303 driver in Windows 11?

  1. Open any web browser, visit the Prolific official website and click on the download link of PL2303_Prolific_DriverInstaller. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  2. Once the download is complete, right-click on the file and select Extract All from the context menu. This is because the downloaded file is in ZIP format. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  3. Click Browse, select the path to extract the file, and click Extract at the bottom. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  4. After the extraction process is completed, click on the PL2303_Prolific_DriverInstaller_v1.12.0.exe file. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  5. Click Yes on the pop-up UAC (User Account Control) prompt. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  6. Now, click Next in the installer window. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  7. After the installation is complete, click Finish to close the installer. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序

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After installing the Prolific PL2303 driver in Windows 11, restart your computer for the changes to take effect. Once completed, you should be able to use the PL2303 USB to serial cable.

If the above method sounds a bit tricky, you can always use a reliable third-party application. We recommend using DriverFix, a specialized tool that automatically scans all connected devices for drivers and keeps them up to date.

How to solve Prolific PL2303 driver issues?

Driver problems are usually due to three reasons: the driver is outdated, damaged, or there are errors in the current version. While there may be other reasons, they don't have to be specifically driver related.

Of the three issues listed previously, you can manually update the driver using the steps listed in the previous section. For the other two, namely corrupt drivers or bugs in the current version, the methods listed below should work.

1. Reinstall the driver

  1. Press Windows S to launch the search menu and enter device in the text field at the top Manager and click on the relevant search results that appear. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  2. Locate and double-click the Port entry to expand and view the devices under it. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  3. Now, right-click on the Prolific USB-to-Serial option and select Uninstall Device from the context menu. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  4. Click Uninstall in the box that appears. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序

Once completed, restart your computer and Windows will automatically install new drivers for the device. If this does not happen, you already know how to install the Prolific PL2303 driver Windows 11 manually.

Reinstalling the driver is a fairly simple fix that is used when the installed driver is corrupted. But the point here is to identify the corrupt driver, which is also very simple. Just look for a driver with a warning mark near the lower left corner of its icon.

2. Roll back driver update

  1. Press Windows X or right-click the Start icon to start the fast Access the menu and select Device Manager from the list of options. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  2. Now, double-click on the Port entry. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  3. Next, find and right-click Prolific USB-to-Serial and select Properties from the context menu. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  4. Navigate to the Drivers tab. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  5. Click the Rollback Driver button. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  6. Now, select the reason for rolling back the update and click Yes at the bottom to start the process. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序

When you update a driver, Windows will keep the files from the previously installed version in case something goes wrong and you have to revert to the previous version.

When we talk about rolling back a driver update, this is what we do, basically go back to using the previous version.

However, if you see the "Roll Back Driver" option grayed out, it means the driver has not been updated or Windows has not stored files for it.

What to do if the Prolific PL2303 USB to Serial Driver does not work on Windows 11?

Some of our readers have complained that the Prolific PL2303 USB to Serial driver simply doesn’t work on Windows 11.

If this is the case for you, try the following solutions:

  1. First, download and install the Prolific driver as shown in the first solution of this tutorial.
  2. Click the Search icon on the taskbar, type device manager, and open the app from the results. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  3. Expand the Ports (COM & LPT) section by clicking on it. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  4. Right-click on the Prolific driver and select Update Driver.
  5. Click Browse my computer for drivers. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  6. Now click Let me select from the list of available drivers. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  7. Select the latest version and click Next. If this doesn't work, you can try the program again and choose a different program. 如何在 Windows 11 中安装 PL2303 (Prolific) 驱动程序
  8. Continue installation and restart your PC.

That’s everything you need to know about installing the Prolific PL2303 driver in Windows 11, along with the two most effective troubleshooting techniques.

The above is the detailed content of How to install PL2303 (Prolific) driver in Windows 11. For more information, please follow other related articles on the PHP Chinese website!

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