Need help?

Chat with a Tech Pro about services & pricing.

Special Offer: All students, parents, & educators get 50% off tech support for the entire school year. Select the Support - Annual plan and enter code “EdTech50” during checkout.

How to Fix Picture and Sound Quality TCL Smart TV

Authored by:
Support.com Tech Pro Team
This Guided Path® was written and reviewed by Support.com’s Tech Pro team. With decades of experience, our Tech Pros are passionate about making technology work for you. We love feedback! Let us know what you think about this Guided Path® by rating it at the end.

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.

1 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.

? Is the issue resolved?

  1. Yes
  2. No

We're here to help!

chat
Connect to a Tech Pro

Call or chat with a Tech Pro 24/7.

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.

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.
To better assist you, please answer this question.
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
  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.
  2. 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.
To better assist you, please answer this question.

Only 4K UHD Roku TV models support Expert Picture Settings.

  1. Launch the Roku App on your mobile device.
    Roku App.

  2. Tap Settings in the bottom right corner.
    Settings option highlighted in Roku app.

  3. Scroll down and tap Expert Picture Settings.
    Expert Picture Settings highlighted in Roku app.

  4. Change the value for the Noise Reduction option.
    Noise Reduction option highlighted in Roku app.
  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.
  3. Press the right arrow button and select System.
    Roku TV menu with System option highlighted.
  4. Press the right arrow button and select Power.
  5. Press the right arrow button and select System Restart.
    Roku TV menu with Restart option highlighted.
  6. Press the right arrow button and select Restart.
  7. Press the OK button to confirm.

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.

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

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