Since a many iMac 24" owners has trouble with a yellow/magenta tint on their displays, even after several replacements, I really want to get an idea of how common this problem is. I for one really don't want to get replacement after replacement only to find out that there are no screens without this problem. So I'm asking every iMac 24" owner on here to test their displays and report if they have the issue. Close or minimize all your windows. Right-click on your desktop and choose "Change desktop background" from the menu. Then go to "Solid colors" and choose one of the gray colors, either one should work but I think the darker ones makes it more visible. Check if you can see a yellow/brown tint towards the middle of the screen, and then a magenta tint towards the left part of the screen. It should look something like in the image below. Please choose the option that suites you best in the poll, and comment if you have something to say about it. Thank you!