I recently ran into the “ASUS USB MIR Rev 111” device showing up in Device Manager with a yellow exclamation mark, and I wanted to share the verified fix since a lot of old threads give conflicting info.
The MIR (Medium Infrared) functionality was intended for much older operating systems (Windows 98/ME/2000) and is generally not supported by modern Windows versions. asus usb mir rev 111 driver verified
: Ensure that USB functions are enabled in your BIOS. You can typically access this by holding F2 or Del during startup. Hardware Connectivity I recently ran into the “ASUS USB MIR
ASUS USB/MIR Rev 1.11 is a legacy expansion module (bracket) designed for older ASUS motherboards to provide additional USB 1.1/2.0 ports PS/2 mouse port Infrared (IR) You can typically access this by holding F2
: If a port is not working, right-click the USB Host Controller in Device Manager, select Uninstall device , and restart your computer. Windows will automatically reinstall the verified driver upon reboot.