OS X El Capitan installation issues
Subject OBS MakBook Pro with already installed OS X El Capitan
Troubleshooting from Mac Store downloading OS X El Capitan full
After reboots Mac try installing OS X El Capitan over time
How to unmount disk os x base system (OS X El Capitan) and pick primary’s hdd partitions to load without installation
Maybe terminal commands
Additional no usb flash drive need repair as is wi-fi if it needed work
MacBook Pro, OS X 10.11