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How to fix Error Code 012 Samsung Smart TV?

Published on April 2nd, 2022

The Samsung Smart TV error code 012 indicates that the TV is not receiving a signal from the cable box or satellite box. This can happen if the TV is not properly plugged into the cable box or satellite box, or if the cable box or satellite box is not turned on.

Other common searches for this error include:

  • error code 012 samsung smart tv
  • error code 012 samsung smart hub

1. Check the HDMI cable to see if it is properly plugged in

  1. Plug the HDMI cable into the HDMI port on the TV and the HDMI port on the device.
  2. Turn on the TV and the device.
  3. If the TV displays a message that the HDMI cable is not properly plugged in, follow the steps below to troubleshoot the issue.
  • Verify that the HDMI cable is properly plugged into both the TV and the device.
  • If the HDMI cable is properly plugged in, try to connect the TV to another HDMI port on the same TV or a different TV.
  • If the TV still does not work, try to connect the TV to an external device using an HDMI cable.
  • If the TV still does not work, unplug the TV and the device, and then plug them back in.
  • If the TV still does not work, contact the manufacturer of the TV.

2. Check to see if the TV is set to the proper input

  1. On the TV, go to Settings.
  2. Under TV Input, select the input you're using.
  3. If the TV is set to the wrong input, the error code will change to 012.

3. Try another HDMI cable

  1. Inspect the HDMI cable that is currently connected to the Samsung smart TV. Is it a standard HDMI cable? If not, the cable may not be compatible with the Samsung smart TV.
  2. Try using a different HDMI cable. There are many different types of HDMI cables available on the market, so it is possible that a different type of cable may work better with the Samsung smart TV.
  3. If the new HDMI cable does not work, then the problem may be with the Samsung smart TV. In this case, the Samsung smart TV may need to be replaced.

4. Restart the TV

  1. Press the power button to turn off the TV.
  2. Wait 1 minute for the TV to power off completely.
  3. Unplug the TV power cord from the wall outlet.
  4. Wait 3 minutes for the TV to cool down.
  5. Plug the TV power cord back in to the wall outlet.
  6. Press the power button to turn on the TV.
  7. Wait 1 minute for the TV to power on completely.
  8. If you are using a Samsung Smart TV, you will need to input your 4 digit TV code.
  9. Press the menu button.
  10. Press the input button to change the TV input.
  11. Press the video button to change the TV output.
  12. Press the reset button to reset the TV.
  13. Press the power button to turn off the TV.
  14. Wait 1 minute for the TV to power off completely.
  15. Unplug the TV power cord from the wall outlet.
  16. Wait 3 minutes for the TV to cool down.
  17. Plug the TV power cord back in to the wall outlet.
  18. Press the power button to turn on the TV.
  19. If you are using a Samsung Smart TV, you will need to input your 4 digit TV code.
  20. Press the menu button.
  21. Press the input button to change the TV input.
  22. Press the video button to change the TV output.
  23. Press the reset button to reset the TV.
  24. Press the power button to turn off the TV.

If you didn't find success with an option above, then try:

  1. Reset the TV to factory settings.