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Audio/Midi setup Output Volume Slider Not Working

Has anyone ever encountered this problem? There is no output volume slider for my audio interface (MOTU828X) in Logic Pro X (10.7.2) audio/midi setup. I am unable to control the output volume. This feature was working fine up to a couple days ago.

Your suggestion(s) would be greatly appreciated.

Mac mini 2018 or later

Posted on Jan 27, 2022 9:56 PM

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Question marked as Best reply

Posted on Jan 28, 2022 12:32 AM

Reset SMC and NVRAM (if applicable).

How to reset the SMC of your Mac - Apple Support

Reset NVRAM or PRAM on your Mac - Apple Support


Next try booting to Safe Mode. That boot up takes minutes and clears caches and other things that may resolve your problem.

How to use safe mode on your Mac - Apple Support

A lot of times just boot to Safe Mode followed by normal boot resolves problems.

Similar questions

1 reply
Question marked as Best reply

Jan 28, 2022 12:32 AM in response to Michael Redhead

Reset SMC and NVRAM (if applicable).

How to reset the SMC of your Mac - Apple Support

Reset NVRAM or PRAM on your Mac - Apple Support


Next try booting to Safe Mode. That boot up takes minutes and clears caches and other things that may resolve your problem.

How to use safe mode on your Mac - Apple Support

A lot of times just boot to Safe Mode followed by normal boot resolves problems.

Audio/Midi setup Output Volume Slider Not Working

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