Upgrade the firmware:
- Unplug your device.
- Put your device into Bootsel/USB mode. A new removable drive named RPI-RP2 should appear in your file explorer.
- Drag and drop the flash_nuke.uf2 (.uf2 file) into the removable drive.(This will completely clears programs and configuration files.)
- After about ten seconds, it will automatically enter the bootsel mode.
- Then Drag and drop the GP2040-CE_XXX (.uf2 file) into the removable drive.
- Wait for the device to automatically disconnect.
If you encounter problems updating firmware, please refer to the official firmware update tutorial.