wait a moment


I have tested it and it work fine. If you have previously used the PL with W7 and upgrade to W10, it’s simple because the previous versions of the drivers are still on your computer. And if you double-click on it, you will see: The software driver is properly installed, but the USB-RS adaptor does not work as expected One of the common reasons that software may not work as expected with a USB-Serial adaptor when the devcie is properly installed, is many older programs and even some new ones only support a limited number of COM ports e. In reply to FelixHitz’s post on December 1, Mohammed Yaseer replied on August 16,

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FelixHitz replied on December 1, This confirms you need to install correct driver file. This article was not helpful.


Click on “Change Settings”. In summary, this article is for: I got to the screen to ot updates to be blocked, but the usb to serial was not an option. Adaptor may not be exactly as pictured above.

Prolific advices end-users to only purchase vendor branded cable products with company prolific usb 2.0 to com device contact information for service and support.

Where to Buy

Click on dveice, and get the details:. Or contact our worldwide distributors for other cable product reference and chip samples. Click the “Advanced” button.

Issue will also may show messages like this: In the meantime action according this guideline was successful: The only problem with it, is that, it reload the latest driver when you plug the device on a prolific usb 2.0 to com device used USB port.

Unfortunately this decision also renders all earlier adapters inoperative. On the next windows, choose the second option “Look comm a driver on my computer”.

The “Driver Version” must say “3. Tell us about your experience with our site.

USB Serial Adapter Drivers Page

What worsens this issue is that there are many “Prolific Driver Removal Tools” that do not work properly. The procedure above works, but only temporary.

Prolific recommends following vendor cable brands: Run the installer program. Follow the steps uxb the wizard prolific usb 2.0 to com device run the troubleshooter.

Yes No Sorry this didn’t help. For more informations and where to download this tool, take a look at this article: To solve this devife infringement – original Prolific company modified their newest drivers to render the counterfeit adapters unusable.

Connect your device, choose the correct COM port, and select the baud rate.

Drivers for USB to Serial Adapter Prolific and FTDI

If it offers a choice to remove the driver, then select to remove the current “bad” driver. Hi Thanks for the information it works a treat. If you have previously used the PL with W7 and upgrade to W10, it’s simple because the previous versions of the drivers are still on your computer.

I would suggest you to run Hardware and device troubleshooter and check if it helps: However if you didn’t have a previous driver installed that worked – you’ll have to go through the process of removing any PL driver installation programs, the actual driver files, prolific usb 2.0 to com device the information. And Windows 8, 8. In reply to FelixHitz’s post on December 1, This site in other languages x. If you don’t have the old versions of drivers, you can tried to install them from the minidisc provided with your product.