Issue: Monitor runs fine for a random time (1 to 15 minutes,) then will dull in contrast and brightness and expand horizontal like someone is fooling with the settings. If a dominiting white or bright colour then is displayed on the screen, the screen will shrink horizontally (i.e. Google's main search page - lots of white there).
Anyone know what the issue is? It never seems to happen in a game when the resolution is 800x600 at 60hz, only when using windows at 1024x768 and 1298x1024 at 70hz or higher.
Thanks a ton, I have two PF790s that have started doing this after 3 years.
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