It'll cost you like $10, but I though it was worth it You'll need... -A Nintendo Security Bit Screwdriver (About $3 online) -A CR2025 Battery (Price ranges from $3-$7 at Walmart and many other places) I was going to write you steps, but that would take a really long time, so I'll just give you a link so you can see how to do it. http://youtu.be/RsROHA7RUCQ