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Left Joy-Con dead, doesn't work attached to the switch or not

Left Joy-Con dead, doesn't work attached to the switch or not

My Joy-Con has been dead for a while. It doesn’t even turn on, no lights flash on the side rail while on the Switch or off. I have opened up both controllers, and swapped the battery as the right Joy-Con still worked. Good battery doesn’t work. “Bad” battery found in dead JC works on good Joy-Con. Not a battery problem. Any help is greatly appreciated. Thank you!

Asked by: Guest | Views: 237
Total answers/comments: 1
bert [Entry]

"Hi!

I’m afraid it’s motherboard related. You could inspect the motherboard if you can find something which is the cause. Otherwise there is not much left to do… Maybe someone else here knows which component you need to replace on the motherboard it self (requires soldering most of the time)."