Rkdevtool No Devices Found -

Start with the DriverAssitant re-installation and the Zadig WinUSB swap. If that fails, short the Mask ROM pins. If even Mask ROM remains invisible, your USB-to-Serial adapter will reveal whether the CPU is alive or dead.

You plug in your device, launch the software, and... silence. The screen remains empty. The device is invisible to your computer. rkdevtool no devices found

Don't give up. Once you hear that Windows USB connect sound and see turn green, the satisfaction is immense. You have conquered the Rockchip connection ritual. Start with the DriverAssitant re-installation and the Zadig