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Brightness touch bar

Hi there, when logging in, sometimes even before, my touch brightness turn itself all the way off. When I select the brightness on the Touch Bar, I turn it up bright but then it just turns it all the way off again.


Any one had this problem? How do you fix it?

MacBook Pro 13”, macOS 10.15

Posted on Aug 31, 2020 5:06 AM

Reply
Question marked as Top-ranking reply

Posted on Aug 31, 2020 5:59 AM

ngataua wrote:

Hi there, when logging in, sometimes even before, my touch brightness turn itself all the way off. When I select the brightness on the Touch Bar, I turn it up bright but then it just turns it all the way off again.

Any one had this problem? How do you fix it?



Try resetting the SMC https://support.apple.com/en-us/HT201295



if no resolve even though SMC controls the touchbar, some USB is in play, so this would be NVRAM (or reboot.) notice among others


USB Device: Touch Bar Backlight

USB Device: Touch Bar Display

USB Device: Apple T2 Controller


Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379


1 reply
Question marked as Top-ranking reply

Aug 31, 2020 5:59 AM in response to ngataua

ngataua wrote:

Hi there, when logging in, sometimes even before, my touch brightness turn itself all the way off. When I select the brightness on the Touch Bar, I turn it up bright but then it just turns it all the way off again.

Any one had this problem? How do you fix it?



Try resetting the SMC https://support.apple.com/en-us/HT201295



if no resolve even though SMC controls the touchbar, some USB is in play, so this would be NVRAM (or reboot.) notice among others


USB Device: Touch Bar Backlight

USB Device: Touch Bar Display

USB Device: Apple T2 Controller


Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379


Brightness touch bar

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