Fix TV that Switches Inputs Randomly Nintendo Switch

Authored by: Support.com Tech Pro Team

1. Introduction

You're watching television and all of a sudden Game of Thrones switches to a black screen. Your HDMI input has switched.

This is a known issue with the Nintendo Switch, particularly with Samsung TVs. This guide will help you resolve it.

If you are using a Smart TV, the first step will be run an update for the TV.

2. Determine Brand

To continue we need to know what type of Smart TV you own. You'll need to upgrade to the latest update.

If you know your tv is already up to date, select Already Updated.

3. How to Update Your LG Smart TV

Show Me HowClicking this button will open a new guide that will provide you with steps to resolve your issue.

4. Turn Off Match TV Power State

This is an all-in-one switch for HDMI CEC functions, so when you turn it off you are disabling both the ability to wake the television with a Switch controller and the ability to put the Switch into Sleep Mode by turning off the television.

1. From the Home Menu, select Settings.
   

1. Scroll down to TV Settings.
2. Toggle Match TV Power State to Off.
   

5. How to Update Your Sony Smart TV

Show Me HowClicking this button will open a new guide that will provide you with steps to resolve your issue.

6. How to Update Your Panasonic Smart TV

Show Me HowClicking this button will open a new guide that will provide you with steps to resolve your issue.

7. How to Update Your VIZIO Smart TV

Show Me HowClicking this button will open a new guide that will provide you with steps to resolve your issue.

8. How to Update Your TCL Smart TV

Show Me HowClicking this button will open a new guide that will provide you with steps to resolve your issue.

9. Update via Web

1. Press the Menu button on your remote control.
2. Select Support.
3. Select Software Update.
   

1. 
   
2. If this area is greyed out, it could be because the TV has just been switched on (wait a minute, then try again) or because the TV is in Smart Hub mode. If you are accessing through Smart Hub mode, try going in after viewing a channel from its own tuner.
3. Enable Auto update to ensure that you are always getting the latest updates.
4. To perform a manual check for an update, select Update Now.
   

1. Your TV will now check for update.
2. If an update is detected, select Yes to download and install it.
   

1. Once the update is complete, you may return to using your TV.