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MacBook Pro 2019 after update to Big Sur i have issues with the volume/brightness sliders on Touch Bar. When I try to slide, it don't change them right.(see photos)
tried Reset SMC/NVRAM, doesn't solved it.
Anyone know how to fix?
Thanks for helpers.
Hi, Arielgavrielov.
Thank you for posting in the Apple Support Communities.
If we understand correctly, you upgraded your MacBook Pro to macOS Big Sur and now you’re not able to use the slide gesture to control the volume or brightness on your Touch Bar. If sounds like you’re able to move the settings, it just doesn’t impact your volume or the display like it should.
Resetting the NVRAM was a great step, it governs both your sound settings and the display resolution on your MacBook. To make sure we’re on the same page, your MacBook is one that has the Apple T2 Security Chip, so you would need to hold the keys down until you see the Apple logo appear and disappear twice. Is this the process you followed?
Reset NVRAM or PRAM on your Mac - Apple Support
Note that if you’re using a firmware password on your MacBook, you’ll need to turn the firmware password off first. Using those keys on startup will have no impact otherwise.
You might also try resetting the system management controller (SMC) on your MacBook:
How to reset the SMC of your Mac - Apple Support
With this reset it’s important that you hold the Shift key on the right side of the keyboard when performing the steps.
If you’re still unable to get your sliders to function correctly, try creating a new administrator account and log in there to test your Touch Bar. This will let us know if the issue is system-wide.
Set up users, guests, and groups on Mac - Apple Support
Respectfully.
Touch Bar sliders not working properly
