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1. #Old prolific usb to serial driver install#
2. #Old prolific usb to serial driver drivers#
3. #Old prolific usb to serial driver update#
4. #Old prolific usb to serial driver driver#

#Old prolific usb to serial driver drivers#

Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step.

#Old prolific usb to serial driver driver#

It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them.

#Old prolific usb to serial driver install#

What I did is this:įirst install the downloaded driver by unpacking the zip file and "pnputil /add-driver *.inf /subdirs /install" (the /install is probably not necessary) from the extracted "Win11_DCHU" directory. Getting it installed is a bit tricky, it seems. Feel free to comment below with your own experiences.There is a working driver at, a bit down the page listed as "DCHU (for PC Vendors)". Once it’s done, connect your device again and see if it goes well.

Then the driver you select would be installed on your Windows 10 computer automatically.

#Old prolific usb to serial driver update#

Double-click Ports(COM & LPT), then right-click on your Prolific USB to Serial driver to select Update driver.On your desktop, right-click on the Start button, then select Device Manager.So you can try to downgrade your Prolific USB to Serial driver. When you upgrade your older Windows system to the latest Windows 10, or perform updates directly on Windows 10, the Prolific USB to Serial driver also gets update, and if it doesn’t work with your old hardware, you might have the problem. But sometimes the latest driver doesn’t work with old hardware. You may note that up-to-date drivers always keep your devices works in the best condition. Solution 2: Roll your Prolific USB to Serial driver back to an older version You’ll be prompted to upgrade when you click Update All.) (This requires the Pro version which comes with full support and a 30-day money back guarantee. Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system. Click Update next to the flagged Prolific USB to Serial driver to automatically download the correct version of that driver, then you can manually install it (you can do this with the FREE version).Driver Easy will then scan your computer and detect any problem drivers. Run Driver Easy and click the Scan Now button.Driver Easy will automatically recognize your system and find the correct driver for your exact Prolific adapter, and your Windows version, and it will download and install them correctly: Automatic driver update – If you don’t have the time, patience or computer skills to update your Prolific USB to Serial driver manually, you can, instead, do it automatically with Driver Easy.

Be sure to choose the only driver that is compatible with your Windows version. Manual driver update – You can update your Prolific USB to Serial driver manually by going to the official Prolific website, and searching for the most recent correct driver.You can update your Prolific USB to Serial driver to the latest version either manually or automatically.

So it would help if you update the driver to the latest version. Your not working Prolific USB to Serial driver problem could be caused by the corrupted, missing or outdated driver itself. Solution 1: Update your Prolific USB to Serial driver to the latest version

Fail to connect your devices with Windows 10 using the Prolific USB to Serial adapter cable? Besides, you might notice there’s a yellow warning mark with Prolific USB to Serial driver in Device Manager.