![Prolific usb to serial comm port driver windows 10 fix](https://cdn1.cdnme.se/5447227/9-3/screenshot_5_64e62947ddf2b306ca76f796.jpg)
![prolific usb to serial comm port driver windows 10 fix prolific usb to serial comm port driver windows 10 fix](https://1.bp.blogspot.com/-octRvh_Ai3Q/WNd4KH9VJQI/AAAAAAAAB14/D9jwbnUcvZobtZfymJUZLsl6oT3WiNKcwCLcB/s1600/usb%2Bunknown%2Bdevice%2BDevice%2BNot%2BRecognized-4.png)
Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step.
![prolific usb to serial comm port driver windows 10 fix prolific usb to serial comm port driver windows 10 fix](https://www.drivermax.com/download/Prolific-Prolific-USB-to-Serial-Comm-Port_using_drivermax_631642.jpg)
It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them.
![prolific usb to serial comm port driver windows 10 fix prolific usb to serial comm port driver windows 10 fix](https://windows10skill.com/wp-content/uploads/2017/11/prolific-usb-to-serial-comm-port-not-working.jpg)
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. There is a working driver at, a bit down the page listed as "DCHU (for PC Vendors)".
![Prolific usb to serial comm port driver windows 10 fix](https://cdn1.cdnme.se/5447227/9-3/screenshot_5_64e62947ddf2b306ca76f796.jpg)