JScalise7

Refresh rate that makes sense i will try tonight were using vizio lcds should have adjustment ill google it let u know how it goes thanks for ur time .

I installed 6 dedicated micros ds2 DVR's with 5 pvm's 2 are fine 3 have faint rolling horizontal lines our client is not happy ,which means guys as we all know we are not happy and I need to get this solved. but I cant do it alone so I'm seeking council I've tried different power sources thought maybe it could of been feed back from ballast from florescent lights but same thing, ground loop isolator ,and all basic troubleshooting I was wonder if i should try a dc blocker i don't know ? please help thanks. sorry for typos just pulled a 16 hr graveyard shift and i am really tired I'm going to sleep now thanks again guys.