How to Fix Distorted or No Picture on a TCL Smart TV

Authored by: Support.com Tech Pro Team

1. Introduction

TCL Roku TV

The TCL Roku TV is a smart TV with a simple, intuitive interface and built-in ability to watch live TV with an antenna, access connected devices like a cable set-top box or game console, and stream content over the internet through different streaming channels (more popularly referred to as apps) that can be added via the Roku Channel Store.

If you're having issues while watching TV, this guide will provide some solutions that may help.

2. Picture and Sound Issues

Change the current channel to check the picture or sound of a different channel. If the picture and sound quality is poor on a specific channel only, there is a possibility that the signal strength of the network is poor.

Channel sources highlighted on TV screen.

3. Additional Information

To better assist you, please answer this question.

4. Adjust Antenna

If the TV is connected to an indoor antenna, try to adjust or re-position the antenna until you get stronger signal strength.

Rabbit Ears antenna

5. Check Coaxial Cable

  1. Make sure that the coaxial cable is firmly attached at the back of the TV and that there are no broken wires.
Coaxial cable and TV connector on rear highlighted.
  1. If the TV is connected to a cable or satellite box, ensure that the box is turned on and the cables are firmly connected from the box to the TV, and to the wall or outside source. Try changing the cables, if necessary.
Wall coaxial connector, cable box and TV connection diagram.

6. Adjust Picture Settings

  1. Press the Options button on the remote to display the options menu.
Options button on Roku remote.
  1. Use the navigational buttons to operate the menu:
  2. Press the Up and Down arrows to scroll through the options
  3. Press the OK button to select an option
  4. Press the Left and Right arrows to change the option values
Navigation buttons on Roku remote.
  1. Go into Advanced picture settings.
Advanced Picture Settings option highlighted on Options screen.
  1. And customize the options the way you prefer. When you highlight an option, the header text explains the effect of its current value.
Header text highlighted in Advanced Picture Settings.

7. Restart

  1. Press the Home button on your Roku TV remote.
  2. Scroll up or down and select Settings.
Roku TV menu with Settings option highlighted.
  1. Press the right arrow button and select System.
Roku TV menu with System option highlighted.
  1. Press the right arrow button and select Power.
  2. Press the right arrow button and select System Restart.
Roku TV menu with Restart option highlighted.
  1. Press the right arrow button and select Restart.
  2. Press the OK button to confirm.

8. Restart Device

To restart your device via power cycle:

  1. If your device has buttons or a remote control, press the power button to turn it off.
Power symbol.


  1. Unplug it from the power outlet and wait for 10 seconds.
Power cable unplugged from power outlet.


  1. Plug it back into the power outlet, then turn it back on from the power button if it has on.

9. What's next?