My MBA has had this screen issue that I could previously always resolve by fiddling with it, but it's recently got worse and I'm struggling to get it working at all. The video background is quite dark but you might see my hand tilting the screen a bit, I was also pressing on the back a bit. I'm thinking of replacing the whole display assembly. Please can you clever people confirm that it's just the display assembly that wants replacing, and not the logic board? Or could it be cable related, or...? Cheers!