How to change aspect ratio on Insignia Fire TV


If you want to adjust the display ratio of Insignia Fire TV to get a full screen mode display of pictures, the solution to this problem is to change the "Auto Aspect Ratio" setting to "Off". You can change this setting using the following steps.
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First, press and hold the "Home" button on the remote control until the menu appears.

Then select "Display&Sound- Picture Size". If this setting is grayed out, set "Auto Aspect" to "Off".

Try changing the aspect ratio to a different setting so that you can adjust the picture display ratio until you get the correct setting for full-screen display.