How to Update the Flight Controller Drivers in DFU Mode?

Option One: Using Software to Update Drivers (Recommended)

No.1 Using Zadig to Update:

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

No.2 Using ImpulseRc to Update: 

What to do if your flight controller can't connect to the Betaflight configurator or can't flash firmware?

Option Two: Manual Driver Update

Step One:

Please open your computer's Computer Management and go to Device Manager. When you plug and unplug the FC in DFU mode, the additional device that appears is the device for your flight controller.

Step Two:

1. Right-click on the FC device, then select "Update drivers."

2. Click on "Browse my computer for drivers."

3. Select "Let me pick from a list of available drivers on my computer."

Step Three:

Choose to update to "STM32 BOOTLOADER," and select version "6.1.7600.16385."

After the update is complete, your flight controller in DFU mode should be recognized by the Betaflight Configurator.