A smart TV keeps losing WiFi most often because of a weak or distant signal, interference, outdated TV or router firmware, or power saving settings that drop the connection. Some TVs also struggle with certain router security settings or crowded 2.4 GHz channels. Improving signal strength and updating both devices fixes most cases.
Why this happens
- Weak signal: TVs often sit far from the router or behind furniture, and their built in antennas are usually weaker than a phone's.
- Interference and crowded channels: Neighboring networks and 2.4 GHz devices can cause repeated drops.
- Outdated firmware: Old TV or router firmware can have WiFi bugs that cause disconnects.
- Power saving: Some TVs cut WiFi power to save energy, dropping the connection when idle.
- Router settings: Very short DHCP leases, band steering, or certain security modes can confuse some TVs.
Is this normal?
An occasional drop is common, but a TV that disconnects repeatedly every day is not normal and usually has a fixable signal or firmware cause.
Does it cause any problems?
It interrupts streaming, causes buffering, and can log you out of apps or stop downloads. It does not harm the TV itself.
How to fix or check it
- Check signal strength in the TV network menu, and if it is low, the TV is too far from the router.
- Move the router closer, remove obstructions, or add a mesh node or extender near the TV.
- Try the 5 GHz band if the TV and router support it and they are close, or stay on 2.4 GHz for longer range.
- Update the TV firmware and the router firmware to their latest versions.
- Restart both the TV and the router, and forget then rejoin the WiFi network on the TV.
- Turn off any TV power saving or eco network setting that may drop WiFi when idle.
- If drops continue, connect the TV by Ethernet cable for a rock solid connection.
Frequently asked questions
Should my smart TV use 2.4 GHz or 5 GHz?
Use 5 GHz if the TV is close to the router for more speed, or 2.4 GHz if it is far away, since 2.4 GHz reaches further through walls.
Why does only my TV drop while other devices stay connected?
TV antennas are often weaker and TVs can have power saving or firmware quirks, so they drop first when the signal is marginal.
Will an Ethernet cable stop the drops?
Yes. A wired connection removes WiFi signal and interference issues entirely and is the most reliable option for a TV.