Hi my Samsung TV can't find any network and internet is definitely working as the other devices are connected ok. Please help!

can you post the model of your tv. some smart tv have a usb stick and cable. make sure that plugged in. if not see if your tv need a wifi usb stick to get on the net. most smart tv default to wired port. make sure you cnage it to wireless and it looking for any local wifi.
 

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