Sorry this didn’t help. Main cause of this issue is because the device you own contains a counterfeit “Prolific” chip China clone. Only bit driver I have ever found that works with all the “Prolific” adapters is Version 3. This work fine, but looking at the configuration panel, you will then notice that there is an error code 10 and the driver is not working properly. Good Way Technology Co.

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What worsens this issue is that there are many “Prolific Driver Removal Tools” that do not work properly.

PL2303 USB to UART Bridge Drivers (Windows)

In reply to OmarGimenez’s post us November 22, Ush issue this warning to all our customers and consumers to avoid confusion and false purchase. StanP12 Replied on December 16, Unfortunately this decision also renders all earlier adapters inoperative.

Or you may get no error at all, but your device will still not work. Hi, I’m afraid that there is no solution Daren Replied on August 20, Prolific recommends following vendor cable brands: Usb vid 067b vendors selling their “USB to Serial” adapters are baffled.

This confirms you need to usb vid 067b correct driver file.


Next time, the driver remain to 3. Usb vid 067b many people, you probably upgrade directly from W7 to W10, and sure, don’t know that this problem was already present with W8. Download and install this latest version 3.


Of course, you can usb vid 067b to manually update the driver at Prolific site: When you plug the ubs into USB, it is well recognized by W10 and it try to load the Usb vid 067b driver. In the pop-up window, select the baud rate under the Baud Rate and click Send.

Usb vid 067b 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 udb driver files, and vidd information.

Run the Sirf Demo software. This article was not helpful. For more informations and where to download this tool, take a look at this article: The latest version doesn’t work usb vid 067b with old hardware, and you need to downgrade the driver.

I have the latest driver from prolific and they stated its a windows 10 issue. I prefer not to block all updates.


PL USB to UART Bridge Drivers (Windows)

Below installer program will remove all of the incompatible drivers — make a change so that Windows usb vid 067b never update the driver without your approval — and install the Version 3. Follow the steps from the wizard to run the troubleshooter. OmarGimenez Replied on November 22, Indeed, when installing W10, the device driver for PL is the latest version. Hey, but I can’t do that myself!!!

Type troubleshooting in the search bar, click on troubleshooting. How do I fix it?

Another windows appear, and select the bottom option: The “Driver Version” must say “3. In case you suspect a counterfeit chip inside, you may also contact Prolific to provide the vendor information. Prolific advices end-users to only purchase vendor usb vid 067b cable products with company name contact information for service and support.

May be, a solution will be to use the old W7 drivers version into Usb vid 067b uusb