Fixed: Prolific USB to Serial Driver not Working on Windows 10

Jul 31,2019 • Filed to: USB Recovery • Proven solutions

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Have you ever had difficulty connecting your devices to your computer using a Prolific USB to Serial adapter? If yes you are lucky to find this page, it you will give you all the information need to fix an unresponsive Serial driver adapter. You may have noticed a yellow exclamation mark hovering over or beside the USB to Serial Driver when searching your Device Manager and if you have we can all agree that it signifies a prevailing problem.

Overview of the Error

If you are not able to connect your device to your PC using a USB to Serial adapter it may be that

While you can’t be so sure what the exact problem is there are solutions you can adopt to fix the issue once and for all. Read on to find quick fixes to resolve the problem.

Solution 1- Roll your Prolific USB to Serial Driver back to an older version

Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantees maximum functionality. Unfortunately updating your drivers can cause this kind of error especially if your latest update does not work too well with your hardware. Once you upgrade your PC to the latest Windows version your Prolific USB to Serial Driver also updates to the latest driver software and if the driver is not compatible with your Hardware issues may arise. To correct the error, you will have to download the driver again by following these steps.

Official solution to Code 10 error

Driver issues reveal themselves in so many ways or through messages such as

A code 10 error may arise because the chip you are using is not an original one. If you are suing a fake, the manufacturer has a way of disabling it due to copy write infringement and the copy write takes effect once you download a recent update. To protect your PC from getting this code, you will have to make sure that your Windows 10 never updates a driver without approval. Updates come in the form of 64 bit and 32 bit drivers. Below we will show you how to work your way around the problem.

Window 64 bit Fix

To fix Windows 64 bit OS including Prolific USB to Serial Adapter, follow through these steps.

If you have followed these process through and you still see the same error go to your device manager

Window 32-bit

For Windows 32-bit OS systems follow these steps

To Troubleshoot for error if your device still does not work

If the driver was not installed  Remove the Serial adapter then run “PL2303_Driver_Installer.exe again. Follow directions in Device Manager to download the correct driver

The three solutions listed in this article have proven to be quite helpful in fixing a Prolific USB to Serial driver not working on Windows 10. They may appear confusing at first but if you follow each step in detail you can resolve the issue

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