Article ID : 00180093 / Last Modified : 09/26/2017

Input Aspect Ratio Changes to 4:3 on the TV After Exiting YouTube

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IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

If the input aspect ratio changes after you exit the YouTube™ app, use the supplied remote control to power off your TV, and then power it on again.


To prevent this from happening, make sure the TV has the latest software update. To update the software:

  1. Press the HOME button on the remote.
  2. Select Settings.
  3. Select Customer Support.
  4. Select Software Update.
  5. Select Network.