why getting device descriptor request failed in nucleo-f446re board.

[DRamp.2]

I am using nucleo-f446re board. It was running perfect before but suddenly i am getting USB device not recognized when I plug in my board to my system. And in device manager it is showing device descriptor request failed. 

Please suggest me the solution of this problem.

[Imen.D]

Hello @Community member​ ,

Let me first welcome you to the STM32 Community =)

I advise you to follow this article : USB device not recognized.

Maybe the problem is with your USB cable, so try a different cable.

Please keep me informed if you still need help.

When your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.

Imen

[Imen.D]

​Hi @Community member​ ,

Do you have still this problem to solve?

Do not hesitate to share the final solution and close this post topic by choosing Select as Best. This will help other users find that answer faster.

Thanks

Imen