Hey guys, please spread the word, I found a fix! I have had no problems playing with wifi enabled. As a test I even played 2 entire circuits on Mario Kart 7 multiplayer with a friend. I also was able to browse the internt, and play my various other games. I was having the same problem, if wifi was on, I would get the black screen of death telling me to hold down the power button and restart. Anyways, I opened my 3DS XL, found the wifi card, unplugged it, and plugged it back in. Here is a picture of it http://img.gawkerassets.com/post/9/2012/...-1.jpg Just be careful when unplugging it. You should grab on each side and just wiggle back and forth. DO NOT PRY IT OPEN like a leaver, as the connector is a tiny strip on the edge closest to the center of the 3DS. Here is a picture of it unplugged, so you can see what I mean about the tiny connector plug in spot, so BE CAREFUL. http://img.gawkerassets.com/post/9/2012/...-2.jpg Opening the 3DS in this fashion will not void any warranty's, so don't worry, there was...