Here’s a short story based on that error message.
Maybe it’s the driver, he thought, rubbing his bloodshot eyes. He navigated back to the device manager. There it was—an "Unknown Device" with a yellow triangle. He right-clicked, forced the Rockchip driver update, and watched the progress bar crawl. Updating successful. rkdevtool no devices found
Windows often fails to automatically identify Rockchip hardware. Download the (DriverInstall.exe). Here’s a short story based on that error message