@Tony522 if you other devices are connecting to the internet it will be an issuecwith your TV. As a first step rdboot the TV which on most models can be done by disconnecting mains power until,the power led goes out then powering it back up.
If all devices are down check the lights on your Sky hub see https://www.sky.com/help/articles/hub-lights-explained-start
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
