# \#osx

**URL:** https://psychtoolbox.discourse.group/tag/osx/9.md

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## [macOS Big Sur update bricking various older Macs.](https://psychtoolbox.discourse.group/t/macos-big-sur-update-bricking-various-older-macs/3519)

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**Author:** [@mariokleiner](https://psychtoolbox.discourse.group/u/mariokleiner)\
**Replies:** 0\
**Last updated:** [November 17, 2020, 5:42am UTC](https://psychtoolbox.discourse.group/t/macos-big-sur-update-bricking-various-older-macs/3519 "2020-11-17T05:42:36Z")

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A little service announcements to those who think upgrading to a new macOS early is a good idea. Apparently it kills various MBP 2013/2014 models on upgrade, because it was just asked to much from the multi-trillion doll…

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## [Contribute MacDisplaySettings to PsychContributed folder](https://psychtoolbox.discourse.group/t/contribute-macdisplaysettings-to-psychcontributed-folder/3210)

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**Author:** [@denis.pelli](https://psychtoolbox.discourse.group/u/denis.pelli)\
**Replies:** 10\
**Last updated:** [May 7, 2020, 11:31am UTC](https://psychtoolbox.discourse.group/t/contribute-macdisplaysettings-to-psychcontributed-folder/3210 "2020-05-07T11:31:57Z")

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https://www.dropbox.com/s/k9ty3xoefizf2fl/MacDisplaySettings.zip?dl=0 Dear Mario Please add this to the PsychContributed folder. MacDisplaySettings uses AppleScript to peek and poke 7 parameters of the macOS System Pre…