sir,mam you need to check first your cable connection for proper ground,maybe insuficient grounding on your cable and that why your reception signal become snowy.
monitor window xp screen horizontally small, left and right side black.. buttons fixed on monitor...
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monitor window xp screen horizontally small, left and right side black.. buttons fixed on monitor not solving the prblm ..althoug horizontally on 100.. m in problem plz help