Things You'll Need
Instructions
Insert the Game Cube controller in the fourth input port. The port is labeled "..."
Turn on the Nintendo Wii while repeatedly pressing all four of the direction pad buttons simultaneously. The system only accepts the command from the Game Cube controller for a brief span of time. If all goes right, a black screen will appear. In some cases a firmware version may be displayed in the bottom right corner.
Insert the Nintendo Wii Restore disc. The restore disc menu will load.
Use the Game Cube Controller to select "Delete All." This will return the system to normal, but it will also clear any installed software and custom Miis.
Use the Game Cube Controller to select "Restore."
Turn off the Nintendo Wii.
Remove the recovery disc.
Restart the Nintendo Wii.