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kigster / reduce-underscan.sh
Last active April 25, 2022 17:32
This shell script walks you through the steps required to change the monitor underscan or overscan value on OS-X, when the Display Preferences are not providing the underscan/overscan slider for a given display. This process was documented by Ishan Sharma here: http://ishan.co/external-monitor-underscan and is a part of BashMatic library.
#!/usr/bin/env bash
#
# Script to change underscan/overscan value of a monitor on OS-X.
# © 2016-2019 Konstantin Gredeskoul, distributed under the MIT License.
#
#———————————————————————————————————————————————————————————————————————————————————————————
# EXCEPT AS REPRESENTED IN THIS AGREEMENT, ALL WORK PRODUCT BY DEVELOPER IS PROVIDED "AS IS".
# OTHER THAN AS PROVIDED IN THIS AGREEMENT, DEVELOPER MAKES NO OTHER WARRANTIES, EXPRESS OR
# IMPLIED, AND HEREBY DISCLAIMS ALL IMPLIED WARRANTIES, INCLUDING ANY WARRANTY OF
# MERCHANTABILITY AND WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.