If it offers a choice to remove the driver, then select to remove the current “bad” driver. Prolific also prohibits the distribution of any PL drivers including download links without written permission from Prolific. And if you double-click on it, you will see: Prolific recommends following vendor cable brands: Good Way Technology Co. This confirms you need to install correct driver file. Issue will also may show messages like this:
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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 prolific usb to serial win7 again. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows serual compatibility issues Yellow Mark Error Code 10 in Device Manager.
PL2303 USB to UART Bridge Drivers (Windows)
What worsens this issue is that there are many “Prolific Driver Removal Tools” that do not work properly. If your adapter was working prior to going to Windows Update, you can “roll back” to the previous installed prolific usb to serial win7 and all will be well once again. In case you suspect a counterfeit chip inside, you may also contact Prolific to provide the vendor information.
We issue this warning to all our customers and consumers to avoid confusion and false purchase. The “Driver Version” must say “2.
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, and usg information.
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USB Serial Adapter Drivers Page
Then run the installer again to install prolifiic correct driver. Prolific does not sell cables with Prolific brand and packaging. If you are using Win XP, the Prolific driver 2.
Prolific also prohibits the distribution of any PL drivers including download links without written permission from Prolific. Run the installer seriaal. Powered by Drupal and Drupal Theme created with Artisteer.
And it addresses issue of: Available forum solutions to this problem are half-baked. For older cables purchased prior to October, Launch the software to prolific usb to serial win7 with the new COM port.
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Issue will also may show messages like this: If you want to delete it – use the Windows “Uninstall a Program” or “Add or Remove Program” feature – however this will also uninstall prolific usb to serial win7 driver itself. If not, then the correct driver is not installed. The “Driver Version” must say “3. A Yellow Triangle may not always appear in Device Manager as described below, however, when you insert the cable into your radio, the transmitter will turn on.
Prolific will take proper and severe actions to cease and confiscate these counterfeit products. You must follow ever step in the process in exact order. Adaptor may not be exactly wln7 pictured above. Below installer prolific usb to serial win7 will remove all of the incompatible drivers — make a change so that Windows can never update the driver without your approval — and install the Version 3.
This value will change the port to COM 4.
USB-RS Serial Converter Driver Download
Your donations help the NET which is a totally volunteer operation proolific purchase medical and other supplies we will need in major disasters. If for some reason the above driver does not work, try one of the following: Prolific recommends following vendor cable brands: Home Contact Support Knowledgebase Downloads.
If it offers a choice to remove the prolific usb to serial win7, then select to remove the sub “bad” driver. Note the COM port must have ” in use ” listed next to it, if it does then another device with that name is already installed in the system.
That means correct driver version is not installed.