To fix it, you can try installing the driver manually. Update the Dolphin GameCube Adapter DriverĪccording to user reports, the GameCube adapter driver not detected error can be caused by an incorrect adapter driver. You can try them one by one until the error is resolved.
Read More How to Fix the GNC Adapter Not Detected ErrorĪfter analyzing many user reports and references, we summarize the following 3 methods to fix the Dolphin GameCube adapter not detected error.