So maybe a week ago I closed my ds screen and when I came back this odd black shape appeared a few pixels big. Occasionally the shape changes by a few pixels or so. What caused it? How to fix? And does it have a name for it? It stays after rebooting.

    Posted by Pansy_Pix

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    1. Looks like screen rot/cancer unfortunately. The LCD panel is starting to die. These are dead pixels, and for some reason they start to spread and get worse.

      I seen a comment in here that someone unintentionally left their 3DS in a car overnight in freezing temperatures and that actually cured it for some reason! But only option I know is a replacement screen.