From the home screen, go to the big cog icon in the top right.
Go to the display tab.
There will be a bunch of options, find SCALING MODE and change it from FULL PANEL or what it currently is to PRESERVE ASPECT RATIO. (If you want black bars on all sides then change it to CENTER)
On the right, scroll all the way down and find CUSTOM RESOLUTIONS and press CREATE NEW.
A window will pop up, be careful of what you change, at the top there is, RESOLUTION (px), Change this to 1920 X 1080.
Now the settings will apply.
If you are on HDMI, on the left under HDMI LINK ASSURANCE, there is HDMI Scaling, adjust this until the black bars are big enough.
From the home screen, go to the big cog icon in the top right.
Go to the display tab.
There will be a bunch of options, find SCALING MODE and change it from FULL PANEL or what it currently is to PRESERVE ASPECT RATIO. (If you want black bars on all sides then change it to CENTER)
On the right, scroll all the way down and find CUSTOM RESOLUTIONS and press CREATE NEW.
A window will pop up, be careful of what you change, at the top there is, RESOLUTION (px), Change this to 1920 X 1080.
Now the settings will apply.
If you are on HDMI, on the left under HDMI LINK ASSURANCE, there is HDMI Scaling, adjust this until the black bars are big enough.