Whenever I try to increase or decrease the brightness of the keyboard backlight — using the Touch Bar on my MacBook Pro (macOS Catalina) — the GUI just shows this:
What does this mean? Is some hardware broken, or just a software bug?
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1Most likely a software bug. Did you try restarting your MacBook? What's the version of macOS running on your Mac?– Nimesh Neema ♦Commented Mar 12, 2020 at 12:26
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Yes, and it's the latest Catalina– BaumrCommented Mar 12, 2020 at 12:27
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Do you have an external keyboard connected? If yes, try reconnecting/replugging it in.– Nimesh Neema ♦Commented Mar 12, 2020 at 12:28
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1You can also use a Terminal command to refresh the Touch Bar. Launch Terminal and type in the command pkill "Touch Bar agent" and hit Return. Hope it will help.– UdhyCommented Mar 12, 2020 at 12:35
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Great and posted as an answer:)– UdhyCommented Mar 12, 2020 at 13:21
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1 Answer
You can also use a Terminal command to refresh the Touch Bar.
- Launch Terminal
- Type in the command
pkill "Touch Bar agent"and hit Return.
It should help you to fix this issue.
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1Experiencing the same issue with the OP; but unfortunately this trick did not work for me on the latest version of Catalina -
10.15.4.– talha06Commented Apr 6, 2020 at 19:24