Hi, My Mid 2014 macbook pro has already received two screen replacements. The first one had stuck pixels, the second also had stuck pixels and just went blank one day. They were replaced free of charge. But each time, I could feel little particles stuck in/on the screen were the "stuck" pixels were visible. Now, with my third screen, I again have the problem on two locations: two little black dots that are stuck on the screen and that I can feel with my finger nail. They seem to be stuck in the screen. My only explanation is that these are little dirt particles that get jammed between the keyboard and the screen and because of the pressure get fixed in the screen. Possibly because the never ending quest of Apple for thinner devices makes the space between keyboard and screen too narrow. Do others have these problems? Could this be a design flaw of the device, or am I the only one? I travel a lot with my laptop, but it's always in a protective sleeve.