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Anyone" gave " me a digital box for cable tv ,we already have one so decided to put it in my sons room.my husband ran cable upstairs using double adaptor thing from point in living room.picture great all working fine.but last night noticed the picture in living room keeps freezing only for a second but annoying could it be the adaptor used?? seems strange this doesnt happen on tv upstairs.any help appreciated.

This is likely happening because of the signal reduction that occurs when splitting the cable. with analog cable, signal loss results in static in the picture. with digital, it causes pixelation (small squares) and freezing. most cable companies require that you contact them to add additional tv connections. this ensures that proper equipment is used and the quality is maintained on both tvs.