TV turns off by itself · Settings guide
How to stop a TV turning off by itself
Sources checked · how we check
A TV that switches off on its own is usually following a power-saving setting or a timer. Check those first, before looking at connected devices or the remote.
01 · Before you start
Check these first
- Samsung says Power and Energy Saving turns the TV off to save power when there's no input for a long time.
- A Sleep Timer also turns the TV off after a preset time.
02 · Change the setting
Step by step, by device
Samsung TV: Auto Power Off
Settings → General → Power and Energy Saving (or Eco Solution) → Auto Power Off → Off
- Open Settings and select General.
- Select Power and Energy Saving, or Eco Solution on older models.
- Select Auto Power Off, then Off.
Samsung TV: Sleep Timer
Settings → General & Privacy → System Manager → Time → Sleep Timer → Off
- Open Settings and select General & Privacy → System Manager → Time.
- Select Sleep Timer, then Off.
Roku streaming player: auto power savings
Home → Settings → System → Power → Auto power savings
- Press Home and go to Settings → System → Power → Auto power savings.
- Uncheck After 20 minutes of no interaction.
Roku says when this is on, a compatible player that's idle for 20 minutes enters low power mode and tries to turn off the TV. It lists the Express 4K and 4K+, Streaming Stick 4K and 4K+, Roku 4, Ultra and Ultra LT.
Source: Roku: disable auto power savings on your Roku streaming player
If the setting doesn't change
If a Samsung TV still turns off, Samsung lists other causes: out-of-date software (update it from Settings → Support → Software Update), a connected set-top box, game console or PC turning it off through HDMI-CEC, which can be disabled, and a faulty remote.
Frequently asked questions
Why does my Samsung TV turn off after a few hours?
Samsung says Power and Energy Saving turns the TV off when there's no input for a long time. Set Auto Power Off to Off, and check the Sleep Timer is off too.
Why does my TV turn off when my Roku is idle?
Auto power savings may be on. Roku says compatible players idle for 20 minutes try to turn off the TV; uncheck it in Settings → System → Power.