Why does a television keep going offline?
Answer
Repeated dropouts on one device usually mean a weak signal or an address conflict rather than a broken TV. Check the signal strength where the TV sits, give it a fixed address in the router so it stops renegotiating, and if the network name covers both bands, try pinning the TV to the 2.4 GHz one, which carries further.
Before you start: stop right away if…
- A factory reset removes all apps and sign-ins and rarely fixes a signal problem. Keep it as a last resort.
Follow these steps
Check the reported signal strength
In the TV's network settings, look at the signal level. Anything below about half suggests placement is the problem.
You should see: You know whether signal is the limiting factor.
Reserve a fixed address
In the router's settings, reserve an address for the TV's MAC address so it stops being reassigned.
You should see: The TV keeps the same address across restarts.
Prefer the 2.4 GHz band
If your network broadcasts both bands under one name, connect the TV to a 2.4 GHz network instead — it travels further through walls and furniture.
You should see: The connection holds longer between drops.
Run a wired cable if you can
An Ethernet cable from router to TV removes the problem entirely and is worth it for a fixed device.
You should see: The TV stays online continuously.
Update the TV firmware
Install any pending software update, since network handling is a common subject of fixes.
You should see: The TV reports it is up to date.
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Extra tips
What to look for: The signal strength the TV reports in its network settings, and whether the drops cluster at a particular time of day.
Before you change anything: Note the TV's MAC address from its network settings — you will need it to reserve an address in the router.
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