Does your Wii make an odd grinding sound when trying to read discs? This could be due to a broken worm gear, a crucial component that moves the laser assembly. In this video, we'll show you how to diagnose this problem. Listen closely as we start the console – you'll hear the unmistakable grinding noise that signals the gear is malfunctioning. Stay tuned as we guide you through the steps to fix or replace the worm gear, ensuring your Wii is back in top shape for all your gaming needs!