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The magic mouse will move the cursor but cannot left-click. I connected a wired mouse and the same thing happened. The keyboard works fine. Right-clicking with the mouse works.
Here are my specs: iMac 21.5" 3.2 GHz i3 running 10.6.7
iMac, Mac OS X (10.6.7)
I came across this thread and thought I'd reply with my fix.
My setup: Macbook Pro, Thunderbolt Monitor, Wireless Magic Mouse, Wireless Trackpad, Wacom Tablet
I had exactly the same issue - the mouse and trackpad would move the cursor around the screen, but the left-click function wouldn't work on either device. The Wacom tablet (pen tablet) left click would work. I scratched my head about it, came across this forum, checked my mouse preferences and noticed that there was ANOTHER mouse connected to my Mac. I carry another magic mouse around in my bag for offsite meetings, and the mouse was in range of the mac. The button on the mouse was pressed down by other stuff in my bag, causing a constant left-click signal to be sent to my Mac. I turned the mouse in my bag off and everything is back to normal!
To see if you have other bluetooth devices that could be interfering with your mouse, head to System Preferences > Bluetooth and look to make sure you don't have a conflicting device connected to your computer.
My problem was slightly different. I have both a trackpad and mouse. There was a book leaning on the unused (but connected) trackpad. As soon as I moved the book, all was well!
I was having this problem and it was baffling me. My magic mouse just stopped clicking. It would move but not click. I reset the mouse and restarted the iMac using keyboard command and it fixed it but then it happened again. The answer above was the answer for me. I use multiple mice with multiple keyboards for my iMac and I had my back up mouse in a bag close the iMac and when I pulled it out, it was on and trying to connect. I shut the back up mouse off...Shazaam - my mouse is now working great. ahhhh - Logic!
Exact same issue mouse in the computer bag was the cause ! Thanks mate now I don't have to restart every time I wake the mbp up. Apple should treat this more ekegantly ad lots of people seem to have the issue.
Yup, that was my problem. I use several Logitech unifying mice and sure enough, another was was connected and the mouse was nearby.
I had the same problem and my solution was; On settings, clicked on mouse then Set Up Bluetooth, I highlighted the mouse than click on the X to disconnect the bluetooth. The Bluetooth found it again. On my keyboard I accepted to reconnect it. It solved my problem. I can't affirm that will do it for you.
My problem had a different solution. I have a pre unibody 17" Intel MacBook Pro. On my last startup I could not click with the onboard track pad, nor would the dock un hide. Tried safe boot, battery removal, starting with external drive....problem persiste. Tried USB mice...they would not left click either....
turned out that bluetooth tooth was on.....used for headphones that were turned off...but my iPad Pro was nearby with Bluetooth also on and it and the MacBook were trying to link to each other. Turning Blurtooth off on the iPad and then restarting MacBook Pro fixed the click issue...I then turned off Bluetooth on MacBook (could not do so with no click) and back on on iPad and all is good.
You might want to consider starting a new discussion. Since this one is a couple of years old, less people are likely to look at it. You can link to this one. Post in the El Capitan community.
OH MY GOD THANK YOU SO MUCH YOU SAVED MY DAY AND LIFE!!
Thanks, everyone -- with all the suggestions I managed to fix this exact problem. I went to Bluetooth prefs, removed the mouse from the list, used my Wacom tablet & stylus to tell the iMac to reconnect. Problem solved. No idea why it worked, but I'm happy it did.
Try checking System Preferences/Accessibility/Mouse & Trackpad to see what is set at Double-click speed.
mac mouse moves but doesn't click
