I have been noticing lately(they probably have been there for a while now)pin holes in my monitor screen. Some are a clear white(almost like a light shining) and others have gone black. This is mainly noticable on a green screen(like games,etc). Is this a heads up to me that my monitor is slowly going and I should replace it? It is an old monitor(digital VRC16), but also has been a really good one. Any thoughts on my pin holes?