1. Install Rockchip Driver Assistant
If it is the first time to download firmware in Windows, you need to
install Rockchip Driver DriverAssitant_v5.12/DriverInstall.exe
Click Uninstall Driver to uninstall the driver (Avoid driver conflict. The earlier drivers don’t detect RK3566 properly).
After the installation is complete, connect the board and PC with USB Type-A cable and press the Recovery key and hold then power the board, in Computer Management can see the USB driver was successfully installed.
If the device with a yellow triangle or exclamation mark, and the Window pop up found New Hardware Wizard dialog box, choose to
install from the specified location, and then select
\DriverAssitant_v5.12\ADBDriver
to install.
After the installation is complete, in Computer Management can see the driver was successfully installed.