Question
STM32F401CCU USB Device Descriptor Request Failed in DFU mode
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Hello everyone,
I am facing an issue with my STM32F401CCUx board. When I try to connect it in DFU mode, Windows fails to recognize it and shows this error in the Device Manager:
"Périphérique USB inconnu (échec de demande de descripteur de périphérique)"
What I checked so far:
- BOOT0 is connected to 3.3V correctly.
- Tried resetting the board via the NRST button.
- Checked the USB cable.
Does anyone know what causes this issue or how to fix it? Thank you in advance!
