Balance levels shifting without any reason

Merl1n Said:

"Balance levels shifting without any reason [...]I have noticed that when I have adjusted the volume for sound volume, I have noticed the balance levels shift either left or right. It does not remain stationary (in the middle).[...]"

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For reference...

Troubleshoot the Mac Audio:

What to Try:

• Unmute the App:

If an app has its own audio input and output settings, then perform things on the app itself.

• Remove External Devices:

Verify what your output item is.

• Disable Bluetooth:

If there are any microphones nearby, then they may be getting in the way via bluetooth.

• Go Here: Control Access to your Microphone on Mac.

See if an app is permitted to use your microphone.

• Reset the SMC and your NVRAM:

(Applies to Intel-Based Macs Only) Sometimes when changes are made to the system(i.e. updates), system configurations (i.e. for Sound) become manipulated, technically. So, reset the SMC and NVRAM.

• Boot into Safe Mode:

When you boot into Safe Mode, items load by default, with certain settings and caches set aside. So, hold down the shift key upon boot. See what happens then.

• Create a New Administrator:

See if creating and logging in as a new administrator does the trick. There may be something misconfigured in your current user - something that is getting in the way. Go to: System Preferences > Users & Groups > Unlock > Click: "+" > Create the new administrator

Merl1n Said:

"Balance levels shifting without any reason [...]I have noticed that when I have adjusted the volume for sound volume, I have noticed the balance levels shift either left or right. It does not remain stationary (in the middle).[...]"

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Troubleshooting Mac Audio Balance:

Try Reseting the Core Audio:

Type the following command in Terminal:

sudo killall coreaudiod

Merl1n Said:

"Balance levels shifting without any reason: I think I have it solved: I switched off the Bluetooth and sure enough the balance level has never moved from the middle since! Thanks![…]”

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You are most welcome.

Thank you for spreading the word! It will help many, for certain!

Excellent job troubleshooting!