Usually pixelization is just signal weakness in my experience. It can be Comcast fault, bad connectors, too many splitters, etc. You need to stay on them until you are happy. I have seen pixelization on my TV with just a DTA. Zcaveman, I wonder if the DVR requires a higher signal strength than the DTA which would explain what you see?
If you are only seeing it in your DVR, I have read that rebooting the DVR may help, not just powering off, but unplugging, facing east and counting to 30 before plugging back in.
Good luck, IMO Comcast is a great service for me, but the support can be very frustrating if you are having issues.
Last edited by ajbrown; 03-16-2012 at 06:52 AM.
Reason: Added comment to Z
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