@Jay1845uk If other devices are working normally it means it is likely the issue is with the TV especially if it has worked in the past. First step,is reboot the TV which on most models is done by unplugging the mains until the LED goes out and then restarting the TV.
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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
