The shiny surfaces on these monitors seem to be a magnet for all kind of grease, I have no idea how grease gets on the monitor screen. But, when it is turned off and the background is dark, I can see these spots and often they become quite annoying while trying to do work.
I tried using window cleaners, eyeglass sprays, moist towels with their unique shortcomings. All the liquids I mentioned run to the bottom of the monitor and the moist towels don’t have enough oomph. Then I stumbled on to the idea of putting a dab of Purell, or its equivalent on paper towel and wiping the glass with that. I tell you, it works like a charm, it stays where you put it with no runs racing to get between the monitor and the bezel. These hand sanitizers are thickened alcohol and do a great job on my monitor. I use it to clean the plastic exterior too.
BEFORE you use it on your monitor, try it on the outside edge to make sure that it will not cause any discoloration. Also, do not try this on LCD monitors, they may have a micro etched surface which may not like this treatment.
I am telling you what I do, what you do is up to you.
Flora
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Junk Yard