This is not an exhaustive list of the issues affecting Apple OS X El Capitan, but it is a good collection of the more well known issues and their respective fixes. Oct 01, 2015 Go to the Applications folder. Open the program called “Install OS X El Capitan”. Follow the on-screen instructions. If this program is missing or will not run, then move it to the trash and empty the trash, followed by re-downloading it from the App Store. An alternative approach is to create a dedicated installation drive from the El.

El Capitan Could Not Be Installed In India

OS X could not be installed on your computer.
No packages were eligible for install. Contact the software manufacturer for assistance.
Quit the installer to restart your computer and try again

Oh dear… When trying to install OS X 10.11 (El Capitan) you may encounter this message. This happens because the the installer certificates are no longer valid when checked against the clock of your mac.

Don’t panic though as this is easily fixed using Terminal, so don’t restart immediately.

Can't Install El Capitan

OS X Could not be installed on your computer During the installation of OS X El Capitan on my Mac Book Pro, the install fails and I am left with 'OS X Could not be installed on your computer File System verify or repair failed. Quit the installer to restart your computer and try again.' No matter how many restarts I do it does not install. Go to the Applications folder. Open the program called “Install OS X El Capitan”. Follow the on-screen instructions. If this program is missing or will not run, then move it to the trash and empty the trash, followed by re-downloading it from the App Store. An alternative approach is to create a dedicated installation drive from the El. OS X could not be installed on your computer. No packages were eligible for install. Contact the software manufacturer for assistance. Quit the installer to restart your computer and try again. Oh dear When trying to install OS X 10.11 (El Capitan) you may encounter this message.

• Click Utilities on the menu bar
• Select Terminal
• Type date 062112422016
• Exit Terminal
• Click Restart

El Capitan Could Not Be Installed

When you restart the mac and try the installer again it will now believe the certificates are valid and will continue as it should.