There are options to adjust the the overscan settings in /boot/config.txt.

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border

Is there any way for me to "test" the overscan_* settings instead of manually editing the config file, restarting the system, checking if the settings need adjusting more, then restarting until all the settings fit nicely with my monitor?

  • 2
    I'm hoping there is some sort of application that has screens such as "Press the left or right arrows until the entire box is inside of the screen".
    – IQAndreas
    Sep 3, 2014 at 19:42
  • Check this article Overscan settings in Raspberry Pi
    – BPatrick
    Sep 4, 2014 at 18:31

1 Answer 1


I used the following to calibrate my display https://github.com/ukscone/set_overscan

I found this on http://www.raspberrypi.org/forums/viewtopic.php?p=305797&sid=4fe5fc284854fe3723841f79ea2c6546#p305797

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