This common issue is usually easy to fix. In this guide, we’ll walk you through the most likely causes and simple steps you can take to keep your TV on and your viewing experience uninterrupted.

1. Unplug Your TV

One of the easiest and most effective troubleshooting steps is to unplug your TV.

Turn the TV off, unplug it from the wall, and wait at least 30 seconds.

Plug it back in and power it on.

This quick reset can clear temporary software glitches and help prevent issues related to power surges or overheating.

2. Disconnect from Wi-Fi

If your TV is turning on or off randomly, it could be reacting to signals from connected smart devices like Alexa™, Google Home™, or even mobile casting apps.

To test this:

Go to your TV’s network settings.

Disconnect from Wi-Fi and observe if the issue stops.

This step helps rule out external voice commands or automation triggers.

3. Check Power-Saving Settings and Sleep Timer

Many TCL TVs include features like Power Saving Mode or a Sleep Timer to help conserve energy. However, these can sometimes cause the TV to turn off unexpectedly.

To adjust or disable them:

Go to Settings > System > Power (or a similar section depending on your model).

Turn off Power Saving Mode, Eco Mode, and ensure the Sleep Timer is off or adjusted appropriately.

4. Disable HDMI-CEC Settings

HDMI-CEC (Consumer Electronics Control) allows your TV and connected devices to control one another. For example, turning off a soundbar might power down the TV too.

To disable HDMI-CEC:

Go to Settings > Display & Sound > HDMI-CEC.

Toggle CEC off.

This can prevent other devices from accidentally turning off your TV.

5. Check the Remote Control

Believe it or not, your remote could be the culprit. Low batteries or a stuck power button may send unintended signals.

Replace the remote’s batteries.

Check for stuck or jammed buttons.

Clean the remote to ensure no buttons are stuck or misfiring.

6. Update Your TV's Software

Outdated firmware can cause all kinds of issues, including random shutdowns.

To update your TCL TV:

Navigate to Settings > System > About > System Update.

Check for and install any available updates.

Keeping your TV’s software current ensures optimal performance and bug fixes.

7. Perform a Factory Reset (As a Last Resort)

If none of the above solutions work, a factory reset may help. This resets the TV to its original settings, which can clear persistent issues or corrupted data.

⚠️ A factory reset will erase all settings, accounts, apps, and preferences.

To reset:

Go to Settings > Device & Software > Reset to Factory Defaults.

Follow the on-screen prompts.

Refer to your user manual or model-specific instructions if needed.

Conclusion

Random shutdowns can be annoying—but they’re often easy to fix. By following the steps above—unplugging the TV, checking your Wi-Fi and power settings, updating software, and more—you can get back to enjoying your favorite shows and movies without interruption.