I went to Starbucks to work on my paper. After some few minutes this occurred on the screen of my MacBook Pro (15-inch, Retina, Early 2013). I haven't seen this issue before, but moving my laptop or lightly padding the screen on the back can sometimes make it show my desktop for a few seconds before it resumes to this screen. So I'm confident it's a hardware issue more than a software. Two questions: 1) What do you think might have went wrong with the device; like is it a common issue? 2) Will I need an entirely new screen, or is it an "easy" fix? I have 7 days left in the US before I return to Europe, so I'm not even sure I can benefit from having it repaired here.