K Kio macrumors newbie Original poster Oct 21, 2014 3 0 Oct 21, 2014 #1 Hello everyone! The problem is that I notice a lack of pixels (greys) in the upper corner of my windows. Restarting the system, solved. It's random. Any ideas?
Hello everyone! The problem is that I notice a lack of pixels (greys) in the upper corner of my windows. Restarting the system, solved. It's random. Any ideas?