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volume on iMac increases by itself

For about a year now the volume on my iMac desktop increases itself every few minutes. We lower the sound with the keyboard buttons--this only works occasionally, and with the slider in the sound utility and with the slider on the menu bar. These usually work for a minute or two, and then the volume creeps back up. I have read that some apps will trigger this--well, it happens when we use Safari. All other apps are closed--no one has suggested what Apps might cause the problem. I see in the comments this issue goes way back to 2007. It is soooooo frustrating, and apparently pretty common based on the questions asked on various Mac forums. I am running 12.4 (the upgrade changed nothing) on a 3.5GHz Quad-Core Intel Core i5 and start up with the Mac HD. No peripherals attached except an external backup drive by LaCie. HELP!



Posted on Jun 2, 2022 2:56 PM

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Question marked as Top-ranking reply

Posted on Jun 2, 2022 5:19 PM

Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


Similar questions

2 replies
Question marked as Top-ranking reply

Jun 2, 2022 5:19 PM in response to SKGaquin

Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


volume on iMac increases by itself

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