Rkdevtool No Devices Found

Windows will not recognize a Rockchip device in flashing mode without the proprietary driver.

Strangely, RKDevTool often prefers USB 2.0 ports . If you are using a blue USB 3.0/3.1 port, try switching to a black USB 2.0 port.

Open the Windows Start menu, type , and select it. Click on Change advanced power settings . Expand USB settings -> USB selective suspend setting .

Press and the physical Recovery or Boot button on the board. rkdevtool no devices found

The "No Devices Found" error in RKDevTool is almost always caused by a small oversight—incorrect drivers, the wrong USB cable, Windows security blocking the driver, or the device not being in the correct mode. By systematically working through the steps outlined in this guide, you can diagnose and resolve the issue to get your firmware flashed successfully.

Open the Rockchip Driver Assistant folder (usually included with your firmware/tools download). Run DriverInstall.exe .

If the drivers are installed but the device still drops its connection, Windows might be actively putting the USB port to sleep. Disable USB Selective Suspend Windows will not recognize a Rockchip device in

Before diving into complex solutions, check these five common issues:

This guide helps you diagnose and fix the "rkdevtool no devices found" error when using rkdevtool (Rockchip flashing/tooling) on Linux, Windows, or macOS.

Not directly . RKDevTool is primarily a Windows application. Mac users must use command-line tools like rkdeveloptool . Open the Windows Start menu, type , and select it

Hold the physical Recovery/Boot button before plugging in the USB cable.

If your device's firmware is corrupted, the button combo might not work. You must force it into MASKROM mode physically.

Add the following content to grant access to Rockchip devices:

: The status bar will change to "Found One MASKROM Device" . 3. Troubleshoot USB Ports and Cables