: Once the installation completes, plug the BF-812 into an available USB port. Verify in Device Manager : Right-click the Start button and select Device Manager . Expand the Ports (COM & LPT) section.
: Choose an older driver version (e.g., version 3.3.x from 2008 or earlier) if available in the list. bafo usb to serial driver bf-812 windows 10 download
: If your software requires a specific port, go to Properties > Port Settings > Advanced to change the COM Port Number. Technical Specifications Model Interface USB 2.0 to RS232 (DB9) Chipset Prolific PL2303 series Data Rate 20bps to 256kbps Cable Length Compatibility Windows 10, 11, 8.1, 7, XP, and Mac/Linux : Once the installation completes, plug the BF-812
: Unzip the folder and run the .exe setup file before plugging in your adapter. : Choose an older driver version (e
You should see "Prolific USB-to-Serial Comm Port (COMX)" without any warning icons. Troubleshooting "Driver Not Working" (Error Code 10)
: In Device Manager, right-click the device > Update driver > Browse my computer for drivers > Let me pick from a list .