Frequency Asked Question Problem on Unicon board & POP-XT driver install. 1. Inspect your drivers installed properly? 1.1 Check driver installation first on "Device Manager" Windows XP: Mouse's Right button click on "My Computer" -> select "Properties" -> select tab "Hardware" and click button "Device Manager" Windows Vista/7/8: Mouse's Right button click on "My Computer" -> select "Properties" -> click "Device Manager" on left panel 1.2 Driver not installed, no USB COM port present. if device icon still "!" this mean driver not installed or not working.. Right click on device name -> select "Properties"
1.3 Check driver missing on... Original driver of Arduino Leonardo have 2 COM port and 2 USB ID First: USB 0x2341 / PID 0x8036 is COM port for Boot mode Second: USB 0x2341 / PID 0x0036 is COM port for User run mode
Of course, User need to install both driver and follow Wizard driver install 2 times... to identify ID select tab "Details" then see what "Device Instance ID" report