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adjust keyboard backlight in low light not working

hi everyone! so i have the option 'adjust keyboard backlight in low light' turned on but it seems not to be working... i bought my macbook not that long ago (4 months). there is a little bit of trash built up under the keys so is that why the backlight isn't adjusting in low light? or is it anything else??

MacBook Air 13″, macOS 12.4

Posted on Jul 14, 2022 9:41 AM

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Question marked as Top-ranking reply

Posted on Jul 15, 2022 12:45 PM

Hey there Adriánson,


Does this issue occur in another user account? Test to verify as this can isolate the issue and let us know if this is a setting or something else on your user account causing this. You can read how to do this here:


Set up users, guests, and groups on Mac 


You can also reset the SMC and NVRAM of your Mac which could have an impact on this. Go through the following articles for info on how to do this:


How to reset the SMC of your Mac

Reset NVRAM or PRAM on your Mac


We hope this helps. Take care.

3 replies
Question marked as Top-ranking reply

Jul 15, 2022 12:45 PM in response to adriánsonline

Hey there Adriánson,


Does this issue occur in another user account? Test to verify as this can isolate the issue and let us know if this is a setting or something else on your user account causing this. You can read how to do this here:


Set up users, guests, and groups on Mac 


You can also reset the SMC and NVRAM of your Mac which could have an impact on this. Go through the following articles for info on how to do this:


How to reset the SMC of your Mac

Reset NVRAM or PRAM on your Mac


We hope this helps. Take care.

Jul 15, 2022 12:09 PM in response to adriánsonline

Hi Adriánson,


Thanks for connecting with Apple Support Communities. To clarify, are these the only keys that are not responding on your keyboard?

If so, cleaning the keyboard can be very beneficial. This resource can guide you: How to clean the keyboard of your MacBook or MacBook Pro



Also, you can open the Control Center, click Keyboard Brightness, then drag the slider to adjust the keyboard backlighting as well.

More details can be found here: Turn your Mac keyboard’s backlighting on or off


Let us know if this helps.



Have a wonderful day!



adjust keyboard backlight in low light not working

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