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Hi! I purchased a used 3DS XL 2015 recently. I knew that it was not functioning. My plan is to repair it and have fun with it. The symptoms are the following: When the device is turned on, the blue led lights up as a normal operation.Neither of the displays turning on.About 5-10 seconds later the bottom screen faintly flashes once, then the LED is turning off.No popping sound from the speakers. The troubleshooting that I did: I checked the battery it holds the charge well. Currently it is at maximum capacity, ~4.1V.I checked the fuses on the board, they’re not shorted.I reconnected all ribbon cables.I checked for water damage, by checking the water damage indicator stickers on the main boards. Do you have any ideas what might be the issue? The repair guides that I could find in the internet are useless for this issue. I know iFixit has a good community. Best regards, István
Hi @istvan_kreisch , Please check the daughterboard that has the battery terminal on it. I had to replace at least two of them. If you have a second working console, you can try swapping the daughterboard and see if that resolves the issue.
