apple cinema display hd 23"

Hello, I recently acquired an Apple Cinema HD Display (23") secondhand, but when I turn it on, there is severe discoloration on most of the display. It is extremely washed out, except a small margin around the outside which appears to be a more normal colour (please see pictures below). I was...

I have an A1082 23" Apple Cinema HD Display. It is my understanding that there are no such thing as 'matte screens', just glossy screens that either have or have not had a matte film adhered onto them. There are numerous success stories of people using listerine (and similar) to break down the...