Screen Stains that won't go away
My flatmate used my new MBP 15" Retina today, got finger stains on it and then went to clean it. They say just with tap water, but there are stains all over the screen like a smudgy mist that won't come off - i think they used some kind of washing up liquid or soap.
I've tried a micro fibre cloth, and special bought lcd cleaner, but its not worked, the smudges are all there still.
What is the best way to get rid of them if it is caused by some kind of soap? OR am i looking a paying for a costly replacement?
I would be contacting Apple about this. You're still under warranty and this could be a "undiscovered feature" of retina displays. I only found one thread about this at the Discussion board - normally that's where this sort of chatter gains momentum. (If you have to create an ID to use the link, you could try your new Apple ID, or just make one they are free)
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Maybe they used rubbing alcohol to clean it - or, you could try to clean it with rubbing alcohol. Apple says that the iPad and iPhone screens should not be cleaned with rubbing alcohol or any other chemicals because it can take the anti-fingerprint coating off - but I have no idea if the MBP retina screens also have this coating. Anyways, rubbing alcohol usually works removing things like this, but like another commenter said, it could be something from the factory that's still covered under warranty. If you want to take a chance, try rubbing alcohol. And then contact Apple if this doesn't help.