Mouse clicking on Monterey OS 12.6

If all else fails 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

Have you tried un-pairing then re-pairing the Mouse? It seems to have fixed the issue for the person who started the link you posted.

You can also try resetting the SMC and NVRAM.

Reset the SMC of your Mac - Apple Support

Reset NVRAM on your Mac - Apple Support

Had the same exact issue.

This is what I did to fix it:

• I shut down (obviously using the on/off button) since the mouse was not working.
• I turned on again using the Magic Mouse (external wireless mouse)
• I let everything load and waited an extra minute
• Boom: the issue somehow miraculously resolved

FWIW, the problems you are having are not "bugs". It's a problem local to your machine.

Install EtreCheck and post the report. Allow Full Disk Access.

https://etrecheck.com/

Use the Additional Text icon to paste in the report.

Don't stay in Safe Mode. Booting into save mode is primarily to accomplish the following:

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

NOTE: if you have a wireless keyboard with rechargeable batteries connect it with its charging cable before booting into Safe Mode. This makes it act as a wired keyboard as will assure a good boot into Safe Mode.

louiselibrary wrote:

That's why I figured it was an OS bug. No problems till after the OS update.

I understand. However, if your problems were caused by a bug in Monterey 12.6, everyone running Monterey 12.6 would have the same symptoms.

Did you update from an earlier version of Monterey or upgrade from an earlier version of macOS?

I wouldn't rule out a software bug. It happens on my trackpad or my bluetooth mouse. I can use two fingers on my trackpad to right click, and right click works on the bluetooth mouse. I've rebooted and it still comes back usually after the machine goes to sleep sporadically. Because it's so sporadic, I don't know if booting into safe mode would even help. I've also tried resetting the SMC (MBP with T2 chip) and reset the NVRAM, and it still crops back up. It's very annoying because I can't reboot multiple times a day.

louiselibrary wrote:

I'm used to Apple OS bugs but this one is the worst.

FWIW, It's not a macOS "bug". It's a problem local to your machine.

Did you try the Safe Mode boot?