Go to Settings > Recovery > Advanced Startup . Once in the blue menu, navigate to Troubleshoot > Advanced Options > Startup Settings > Restart . Press or F7 to disable signature enforcement, then try reinstalling the drivers. 5. Check Device Manager
: Connect your device directly to the PC's motherboard (rear ports on a desktop) rather than using USB hubs or front-panel ports, which may not provide enough power or data integrity. Check the Cable : Ensure you are using a high-quality USB-A to USB-C USB-A to USB-A data cable, as some cables are charge-only. Radxa Docs 3. Entering Boot Modes rkdevtool no devices found
Some poorly designed boards (especially cheap Android TV boxes) have a weak USB detection circuit. Adding a 10kΩ resistor between the D+ line and 3.3V can force high-speed USB detection. Go to Settings > Recovery > Advanced Startup
Some boards feature a physical Maskrom button. The connection sequence is identical to Loader Mode: hold the Maskrom button while inserting the USB cable. Radxa Docs 3
How to Fix "RKDevTool No Devices Found" (Step-by-Step Guide)