My iMac is starting to get these sort of semi-circles at the corners of the screen that look like they're burned into the back of the glass. It has happened before and I took it in to the Apple repair center, and they opened it up and said that it was just dust so they cleaned it out. However, the lines are back. I'm still under AppleCare, but that runs out in about a year, and I don't really want to have a computer with streaks and lines running all across the monitor.
Has anyone ever heard of this? Any ideas on how to get rid of or prevent this problem?
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Monitor burn in?
Never heard of really. The only thing I can think of is if you clean your screen with a damp tissue paper or something. Don't do that! Use the cloth that came with your Mac.
Remember that I had some strange stuff happening to my CRT-tv back in the day when I cleaned the screen with damp cloths.
Remember that I had some strange stuff happening to my CRT-tv back in the day when I cleaned the screen with damp cloths.
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Well, make sure you aren't using your mac in a dusty room, make sure the area is clean and keep it clean. I have heard that smoking can cause marks under the screen (where smoke enters under the glass) So if you smoke, don't do it in front of your mac.
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I have the same issue on my imac which is out of warranty now. The repair shop told me that it is caused by hotspots behind the screen and the only way to fix it is to replace the display, which is not worth it if your outside of warranty.
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Have not seen this on my work machine, just got it about 2 months ago, or the 18 machines we purchased for a computer lab. It is early on, though, and I will keep an eye out for this issue. Thanks!
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What I've noticed is a sort of ghosting effect. Where if you place a top portion of a window over another window's text area AND that underlying window was open for a hour or so, you'll see it through the window above it. Kind of a strange burn-in effect.
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I had the same problem with screen burn. I recommend taking photographs of the affected areas and store them on the desktop so you can show them to the technician. In my personal experience the Apple store replaced the screen with no problems - it's just very awkward to replace the screen without getting any dust caught behind the glass.
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I found if I restart my computer multiple times the burn in goes away.
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If you turn off the monitor long enough, the burn in goes away as well. Same as if you turn of the iMac completely.
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