The mouse click is not working. Using OS X 10.10. Does not work with wireless or wired mouse. Had same problem with OS X 10.9. Mouse pointer is visible and works fine.
iMac (21.5-inch, Late 2012), OS X Yosemite (10.10.2)
Posted on Feb 8, 2015 7:26 PM
Q: Mouse Click Not Working
Try re-setting the SMC.
http://support.apple.com/en-us/HT201295