prolific usb to serial comm port not working

#PROLIFIC USB TO SERIAL COMM PORT NOT WORKING INSTALL#

FTDI and Prolific as IC manufacturers started to clamp down 'other sources' of USB-serial ICs that 'borrowed' their chips' USB_IdĢ.

#PROLIFIC USB TO SERIAL COMM PORT NOT WORKING INSTALL#

Choose to manually install a driver already present in your PC and force the PC to install the working old version of the driver.Įdited by dbassi48, 13 March 2016 - 03:38 PM.ġ. If you use a different port, the PC will automatically load from the web the Windows 10 driver and the USB-to-RS232 cable will not work any more.Ĭ) If case b) occurs, open the Windows device manager, and update the driver of the Prolific USB-to-RS232 Comm Port. You may get the old working driver from one of the chinese vendors in Ebay (not available from official Prolific Channels).ī) Remember to use always the same USB port to connect the USB-to-RS232 cable to your PC. Installation must be done when the PC is NOT connected to the web, to avoid the automatic installation of the last Windows 10 non compatible version of the driver. In my case the driver version 3.24.25.218() works perfectly.Ī) Install in your computer a working old version of the driver. A possible solution, working under Windows 10, consists of forcing the system to use an old version of the driver. This is a well know problem of many old Prolific devices, including some chinese fakes (see the Prolific web site for details).

Prolific usb to serial comm port not working