"Had nothing to do with turning on or off my Mac. I was getting beeps every minute or two while turned on. I tried restarting, and that didn't fix it. What fixed it was specifically killing PowerChime."
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Seems to be a misconfiguration. So,...
Report this to Apple:
Do your Part: Inform Apple of your feedback of this issue. Include how you’ve troubleshot this, and your results. Apple wont get back to you directly, but the more feedback they receive from its users, the more likely they will know what needs to be fixed, rates to come. Apple with know nothing of this occurrence, if you don't report it to them.
- Go Here: Feedback - macOS - Apple
- Select: "Bug Report" for the "Feedback Type"
- Select: "Software/Firmware Update" for the "Feedback Area"
- Proceed from there as necessary
Also,
Update your Mac to Sequoia, if an Option (backing up, first):
To get the latest in usage, always keep your Mac up-to-date. Back Up your Mac First: Be certain you Create a Time Machine Backup of your Mac, so that way you can have something to restore your Mac from, should anything go wrong with the reconfiguration.
How to Verify Compatibly:
II. Reveal your Model:
What is the Model of your Mac? To find out...
- Go to: Apple menu
- Click: About this Mac
- View: Second Line-Down
then...
II. Compare the Results: macOS Sequoia is Compatible with these Computers - Apple Support