OS X installer booting instead of Macintosh HD Accidentally closed MacBook Pro while installing El Capitan. Now only bootable disks are my bootcamp, Recovery, and OS X installer. Macintosh HD shows up in Disk Utility and I've tried repairing it, no errors. On the properties it shows that it isn't bootable, that's it.
Just install the system again: it shouldn't overwrite any files outside of the system.