A friend emailed me with this....
"This is weird........
When I plug in and use my computer at home the screen seems to be shaking.......(real fast..maybe so fast I can't even see it move, but when at my shop with the same computer, I have no problem....any ideas???"
This is a desktop system and I had him move the system around the house trying different rooms and pwr cords; surge protectors etc.
He still has the same problem.
Could it be that he may have an electrical problem at his house and getting feedback?
What do you think???