So I'm just trying to see if this warrants a trip to a Genius Bar, or if it's just a simple software fix (which I think it is). So basically, periodically, when I go to a YouTube video, it will just be a big black rectangle (see pics) with no slider or anything, and nothing happens when I mouse over it. This happens to all videos on websites (see the BestSkinsEver, there's supposed to be the Gizmodo iP4 leak where there's just a big white space). I was curious to see if this happens to flash games too, which it does. All the pages were fully loaded when I took a screenshot. Please help!! Just a side note: I'm not really a computer genius, I know more than an average user (not an average user on this site, an average user), but I'm no expert.