Autonegotiation allows two devices, such as switches or network interface cards, to automatically exchange information about their capabilities and configure the best possible connection settings, like speed and duplex mode. This enables devices to establish a link with optimal settings for both. Without it, this needs to be done manually
hell no get some kind of board, paint it the smae color of the wall, attach it on 2 studs and fasten your mount on the board. its behind the tv so it wont be visible anyways