Forum Discussion

Cundy66's avatar
Cundy66
Copper Contributor
Nov 15, 2021
Solved

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...
community
  • ejohanson's avatar
    ejohanson
    Nov 16, 2021

    I 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.

ejohanson's avatar
ejohanson
Brass Contributor
Nov 16, 2021
I have the same problem, and cannot find anything the solves it. The workaround suggested by BHITSSD did not help (I have no "older" versions of the driver installed to select).
charlesyeh522's avatar
charlesyeh522
Copper Contributor
Feb 25, 2022

ejohanson 

Please enter prolific's web-site:
http://www.prolific.com.tw/US/supportDownload.aspx?FileType=56&FileID=133&pcid=85&Page=0

Download "PL23XX_Prolific_DriverInstaller_v401.zip" driver.

The v4.0.1 file can fixed your Win11 driver issue.

Resources