Content originally posted in LPCWare by column on Sat Mar 05 02:03:22 MST 2016 I have LPC1768 Development Board by LandTiger. Trying to configure USB to get in USB device pull-up mode in order to copy programs binary file. When I turn device on and plug to USB socket on my windows 8.1 machine I have error "USB device not recognized". How to solve this problem?