After El Capitan upgrade, Spotlight may not work correctly. How to fix if Spotlight not working in Mac OS X 10.11 El Capitan?
- Go to System Preferences
- Select Spotlight
- Un-check on "Allow Spotlight Suggestions in Spotlight and Look Up" option, then make the option checked again.
If the above steps does not work, run Terminal, then enter the following command lines.
sudo mdutil -Ea
sudo mdutil -ai off
sudo mdutil -ai on