two white dots on the top left corner
I have attached an image of the dots.
Is it still there when you change the back ground?
I suppose it isn't superficial and can't be cleaned off?
I suspect however that it was pressured in those two spots killing the led pixels there.
If it's still under warranty take it in for a repair at an Apple Store. If you are not near an Apple Store you can send it in for repair. Any warranty issues should be covered at not cost to you (other than shipping fees). However, if you are no longer under warranty then you can have the touch screen replaced by yourself or a 3rd party. Hope this helps!
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