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Unknown USB device not recognized (Device Descriptor Failure)

Question asked by ip on Dec 8, 2017
Latest reply on Jan 8, 2018 by plante.raphael

Hi,

 

 

I have generated a project from Cubemx with Stm32f405,  I want to use a CDC with my computer, with USB device mode

 

The board is tested with a previous firmware, and usb is recognized, so there is no a hardware problem.

 

When I try to use the project generated by CubeMx the usb is not recognized.USB device not recognized (Device Descriptor Failure)

 

Any idea?

 

 

 

Thank you in Advance

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