How to use Zadig to solve the problem of not being able to enter DFU mode?

If you power on the FC after holding down the boot button, the FC in DFU mode still cannot be recognized.

(1) Make FC enter DFU mode (please refer to the following article: How to flash firmware for a bricked flight controller?）. Open Zadig again and select "List All Devices".

（2）Find "STM32 BOOTLOAEDER".

（3）Switch to the "WinUSB (v6.1.7600.16385)" driver by clicking on the arrow circled in the image below:

（4） Click "Reinstall Driver".

(5) Wait for a while until the following screen appears, then you can enter the DFU mode normally.