Forum Discussion
Cundy66
Nov 15, 2021Copper Contributor
PL2303 issues (Prolific USB to Serial Drivers) Win 11
 I have come across an issue that I don't if anyone has come across and found a fix?     I have a few handheld radios that I need to update the frequencies and when I connect to the USB, it fails to c...
- Nov 16, 2021I tried the older driver available here: 
 http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=223&pcid=126
 And this seemed to work for Windows 11. Weird that an old driver works better than the latest one.I have the PL-2303 TA chipset. 
OttToyBoy
Mar 03, 2022Copper Contributor
I recently had to install Prolific (PL2303) drivers to support a Celestron Advanced VX (AVX) equatorial mount that connected to my Windows 11 computer via USB.
The following Windows 11 certified driver worked:
http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41
In case that link stops working, search in Google for the filename:
PL23XX_Prolific_DriverInstaller_v401.zip
It is now working correctly.