Here are some steps you can take to resolve the issue of your Smart TV displaying a distorted or cut-off image:
Check the connections of your TV and ensure that all cords and cables are secure and functioning properly.
Check your TV settings to make sure the picture quality is set properly.
If you’re using an HDTV cable, try switching to a different cable.
Check for any available updates for the Smart TV.
Try using a different source if necessary.