On one of my 25" K7000's the screen seems fine until I turn the game off and then the screen's picture dies out to a very bright white pinpoint spot in the center of the screen what causes this and can it be fixed.
this has been up for debate for awhile and the short answer is if the dot is only there for a little while youre fine.
If the dot stays on and on and on unless you unplug the machine, well, you have wiring issues. the monitors power shoudl be switches ac through an iso, sometimes along the years wiring gets hacked etc..