Now go back to Device Manager. Under , you should see “1747-UIC (COMx)” where x is a COM port number (e.g., COM5).
: Do not use Windows Update or generic USB drivers. Always source the driver from the original Rockwell CD or their Product Compatibility & Download Center (PCDC), though accessing this from XP may be tricky. It's best to download on a modern PC and transfer via USB stick. 1747-uic driver windows xp
: Severe driver conflict, often with older FTDI drivers. Fix : Now go back to Device Manager
: The .inf file does not match the hardware ID of your 1747-UIC (may happen with counterfeit units). Fix : 1747-uic driver windows xp