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I’ve repaired the Nintendo 2ds xl top screen, because it was damaged. Now if i want to turn on my device, the blue light turns on for about 4 seconds, both of the displays are flashing and then the blue light and both of the screens turns off :( What can be the reason? I’ve thought it can be the battery, changed it and the same issue is happening..

Hi! Check the ribbon cable connection of the displays. If those are not seated properly or if the cables themselves are a bit damaged (scuffed or dented), the console won’t turn on.