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After a clean reinstall of OSX Catalina 10.15.2 on a MacBook Pro (15-inch, 2018), Esc button from the touchbar has disappeared.

I don't have any 3rd party tool or app installed.

Any idea on how to bring it back ?

2 Answers 2

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After killing Touch Bar server application it will come back. Just paste the following to terminal and enter your password when asked:

sudo pkill TouchBarServer
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  • 1
    Works great! Do you know why only the esc button disappears? Mar 13, 2020 at 18:31
  • I have no idea.
    – mehyaa
    Mar 15, 2020 at 15:50
  • 1
    this answer has saved the life of so many tmux sessions! thank you May 6, 2020 at 1:07
  • 1
    Of all the things to mess with, Apple, why the escape key…
    – Will
    Jul 10, 2020 at 10:13
  • Did not work for me on the latest available Public Beta 4 of Monterey.
    – talha06
    Aug 3, 2021 at 16:13
3

This option got it back on the Fn key, before following @mehyaa's suggestion.

Mac > Keyboard > Keyboard > Press Fn key to

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