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STM32F105/7 USB MSD - STM32CubeMX

Question asked by lynn.aaron on Sep 2, 2015
Latest reply on Sep 3, 2015 by lynn.aaron
I have generated code, using STM32CubeMX,  to operate and show up as a MSD on my windows computer - HOWEVER,  when I connect my device to the computer I can not see the device - instead it shows up in the Universal Serial Bus controllers section in Device manager as an Unknown device - Device Descriptor Request Failed.

Windows error Code 43.

is there something I need to add to the generated code?
I have attached the code.
PLEASE HELP

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