If your TV has an ethernet port and you have a free ethernet port on your router, you could try getting one of those powerline networking kits. You'd plug one adapter into an outlet near your TV and connect the TV to its ethernet jack and the other adapter somewhere near your router and connect the router to the second adapter's ethernet jack. The Netgear PLP1200-100PAS kit (about $65 at Amazon) would be a good choice.
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Bob C
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