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I just installed Ubuntu and my monitor is having a issue with overscan in the Y axis, more or less, 150 pixels. I tried using my TV control but i had no success. Using Windows works fine, so i guess it should be possible in Linux.

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  • Please investigate further the menus on your TV set. You should be able to do "1:1 pixel mapping".
    – FedKad
    Jun 30, 2021 at 10:36

1 Answer 1

Reset to default
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you could try this

xrandr --output HDMI-1 --set underscan on

If this does not work kindly post the output of xrandr

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  • It works, but i get black bars in my screen. Left, right and bottom. Therefore, the resolution gets a bit smaller.
    – Fear of the dark
    Jun 30, 2021 at 5:35
  • Can you show that with some pictures
    – anubhav sharma
    Jun 30, 2021 at 6:59
  • ibb.co/jhb9cMq ibb.co/H4CZSFH Here.
    – Fear of the dark
    Jun 30, 2021 at 13:59
  • okay you can try xrandr --output HDMI-1 --set "scaling mode" "Full aspect" or xrandr --output HDMI-1 --auto or xrandr --output HDMI-1 --set underscan on --auto
    – anubhav sharma
    Jul 2, 2021 at 4:13

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