[mythtv-users] TV-Out horizontal bar artifact

[Jason keirstead]

On August 4, 2004 09:40 pm, DTR wrote:
> Well for some reason my machine suddenly developed a strange display 
> artifact that wasn't there before.  I see this faded horizontal bar 
> which slowly sweeps up the screen over and over again when running 
> TV-Out -> S-video -> TV set...   very annoying.

Sounds like a ground loop/hum to me.

Make sure both the television and the PC plugged into the same (grounded) 
power bar. Even if you have this it could still be hum, hum is really hard to 
get rid of sometimes.

More details on hum:

http://www.hometheaterbuilder.com/issue/602_ground_loop.htm