External Monitor Screen Flickering
I have a Lenovo Think Pad T410.
When I connect the laptop to an external monitor through a VGA cable,when you open a gray picture or a software with gray background,you will notice a huge noise on the screen,there are many websites that suggesting,this is all about ground loop,and you must cut the ground wire somehow,but the monitor power cable doesn't have any ground connection at all,and the charger ground pin,is not connect to the outlet.
So what is the problem exactly?
What is the solution?
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