Why is my Smart TV unexpectedly shutting down?

1. Check the power cord and surge protector for signs of damage.
2. If the power cord is defective, contact an electrician.
3. Check for undeleted apps and update outdated software.
4. Clean the fan and fan holes regularly.
5. Ensure that it’s located in a well ventilated area.
6. Unplug any unnecessary USB devices.
7. Reboot the device.