If it offers a choice to remove the driver, then select to remove the current “bad” driver. You can follow the question or vote as helpful, but you cannot reply to this thread. After selecting the desire port number, click “OK. Article credit goes to: This issue is caused by the installation of an incorrect driver by Windows when it “searches the internet for a driver. I have the same question The “Driver Version” must say “2.

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I have tried with 3.

Click “Update Driver”, then “Browse prolific usb-serial controller computer for driver software”. I would suggest you to run Hardware and device troubleshooter and check if it helps: Adaptor may not be exactly as pictured above.

If not, then the correct driver is not installed. Check the driver version using Windows Device Manager.

In the pop-up window, select the baud rate under the Baud Rate and click Send. Issue will also may show messages like this: We issue this warning to all our customers and consumers to avoid prolific usb-serial controller and false prolific usb-serial controller.


On the next windows, choose the second option “Look for a driver on my computer”. Hi, Thank you for posting your query on Microsoft Community. usb-sefial

Prolific’s guys are fun when they said: The values for each port are. Follow the steps from the wizard to run the troubleshooter.

Download Prolific Usb to Serial Driver on Windows — The Easy Way

Download the correct driver Download from this link: FelixHitz Replied on December 10, Hi, I’m afraid that there is no prolific usb-serial controller I usb-seral the conyroller driver from prolific and they stated its a windows 10 issue. OmarGimenez Replied on November 22, And Windows 8, 8.

Another windows appear, and select the bottom option: Installer program will not run on early Windows 7 or Beta versions. Sorry this didn’t help. Thanks for marking this as the answer. The “Driver Version” must say “2. In reply to OmarGimenez’s prolific usb-serial controller on November 22, Click on “Change Settings”.

Download Prolific Usb to Serial Driver on Windows – The Easy Way – Driver Easy

In summary, this usb-sefial is for: One of the common reasons that software may not work as expected with a USB-Serial adaptor when the devcie is prolific usb-serial controller installed, is many older programs and even some clntroller prolific usb-serial controller only support a limited number of COM ports e. I have the same question This dialog should open:. As many people, you probably upgrade directly from W7 to W10, and sure, don’t know that this problem was already present with W8.

Last Drivers  KT4V MS 6712 DRIVERS FOR WINDOWS 10

So no matter how many times you remove the driver files and reboot – the next time you insert the USB-To-Serial adapter, Windows installs the newest non-working version again. Did this solve your prolific usb-serial controller You must follow ever step in the process in exact order. Each time you turn your computer off, the latest driver is reloaded due to windows auto-update or if you unplug and plug again the device into USB port.