prolific usb to serial comm port windos 7

VID_067B&PID_2304 for 'Prolific USB-to-Serial Comm Port' (PL2303TB chip) VID_067B&PID_2303 for 'Prolific USB-to-Serial Comm Port' (PL2303 series) Windows 98 and ME driver support are discontinued. Download latest PL2303 CheckChipVersion tool program to check chip version in Windows 7. Windows 8 and above OS are NOT supported in PL2303HXA/XA EOL chip versions (discontinued). Supports the following Windows OS Family: Device using PL2303HXA/XA/HXD/EA/RA/SA/TA/TB version chips

From there just follow the prompts and you should be up and running in moments.PL2303 Driver Setup Installer, Prolific Edition What you need to do after installing the older drivers is go to the properties for the device in your device manager, go to Update Driver Software, Browse My Computer, then Let Pick from a List and select the older version of the driver and hit next. In my case I didn’t even know I had a knock off but I downloaded the older drivers and installed them and voila, I was up and running!Īnd just another quick tip, since if you’re here you’ve probably already installed the newer drivers and your system will default to those each time you try to plugin the device. With a bit more digging I found out that this was a common error for knock-off Prolific chips as in recent driver versions they have been blocking cloned or pirated chips. However I could not get it working on any of my personal computers or even my work computer.Īfter receiving the same error on each machine I started to think it wasn’t the device nor the computer but the drivers. I recently dug an old PL2303MDL programmer out of a tackle box of electronics and tried to get it working so I could flash some Sonoff devices with tasmota firmware.

Prolific usb to serial comm port windos 7