Always plug the adapter into a native USB 2.0 port (black or gray port). If your computer only has USB-C or USB 3.0 ports, connect the adapter through an unpowered USB 2.0 hub to force down-negotiation. Alternatives to Legacy Drivers
: Fully supported by the standard Prolific driver package provided by ACTisys. act-ir2012ul driver
: When requesting the driver, check the physical label on your device. ACTiSYS requires the exact serial number (S/N) prefix (e.g., prefixes starting with "UN", "LI", or "TA") to bundle the corresponding WHQL-certified driver file for modern operating systems. Always plug the adapter into a native USB 2
: Ensure the USB port is enabled in your computer's BIOS settings if the device is not detected at all. : When requesting the driver, check the physical
This blog post explores the ACT-IR2012UL (also known as the ACT-IR2012), a high-speed USB-to-IrDA infrared adapter designed for wireless data transfer between PCs and various infrared-enabled devices.
If the official website is not accessible, reputable third-party driver websites like oemdrivers.com host the files. According to these archives, the driver versions available for the ACT-IR2012UL include versions like 6.0.6001.18000 , 1.32.0.0 , 1.28.0.0 , and 1.00.1638 . These sites often describe the driver as "essential for enabling seamless communication between your PC and IrDA-enabled devices". Always exercise caution when downloading from third-party sites and ensure you have updated antivirus software.
may be needed for 32-bit Windows, though it does not support 64-bit. EOL Warning