How to Download and Perform a Clean Install of OS X El Capitan By Shujaa Imran / Oct 8, 2015 Apple recently released its latest operating system for its Macintosh lineup of systems, OS X 10.11 El Capitan, which, as all the recent previous versions of OS X have been, is free for all users to download and install. OS X El Capitan supports two methods of installation. The default method is an upgrade install, which will upgrade your Mac to El Capitan while preserving all of your user data and apps.This is the most common means of upgrading the operating system and is recommended when your Mac is in good shape and having no problems. Mar 04, 2021 How to Perform a Clean Install of OS X El Capitan. OS X El Capitan (OS X 10.11) offers two installation methods. This guide focuses on the 'clean install' method. When you install El Capitan on your current startup drive with the clean install method, you erase everything on the drive. That includes OS X, your user data, and personal files. I am working with a MacBook Air 2010 that already had El Capitan installed. I tried to do a fresh install because the storage was all taken up by Other. When I attempt to reinstall El Capitan I am prompted with the 'OS X could not be installed on your computer. No packages were eligible for install. Contact the software manufacturer for assistance. Speed up your Mac and rid it of problems by reformatting it before doing a clean install of macOS Big Sur or another version. Open Menu Search. El Capitan, Yosemite or whatever.
With the release of Mac 10.11 El Captain, Mac X achieves the highest standard of performance for an OS to date. With support for legacy systems, 10.11 intelligently manage systems resources to their maximum performance capability. You might not notice the difference between 2009 Mac Mini Machine vs a 2015 Mac Book Pro Retina in day-to-day activities.
If you are starting fresh, you can install 10.11 El Captain on most new Mac’s right off the bat. Follow our guide to learn how.
Easy Way
Download and install Disk Maker X
Download Mac X 10.11 El Captain from the Mac Store. It will save inside your applications folder.
Insert a USB drive that is formatted for Mac. It will be erased. It must be at least 8g minimum in size.
Open DiskMaker X and follow the onscreen instructions
Chose El Captain 10.11
Download El Capitan
It should find the copy of 10.11 El Captain in your Applications folder
Select your Jump Drive
Confirm the jump drive will be erased
Files start copying. This could take up to an hour.
Your USB Jump Drive will auto-mount after the copy. You will be ready to boot from the drive at this point
Insert the USB into a Mac. Boot up the machine while holding option key. You will be prompted to select the USB drive to boot from. Follow the on screen instructions for installing Mac 10.11.
Technical Way
Grab a USB drive that is at least 8gb in size.
Download Mac X 10.11 El Captain from the Mac Store. It will save inside your applications folder.
Rename the USB Drive to MacXcaptain How to open pcb file in solidworks. on your mac.
:max_bytes(150000):strip_icc()/OSXElCapitanSetupWelcomescreen-081d29ff44a8490c85b0c28a0e26f080.jpg "Fresh Install El Capitan")
Launch Mac X Terminal located in Applications -> Utilities
Copy and paste the follow command into Terminal (Exactly as is)
sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/ElCapInstaller --applicationpath /Applications/Install OS X El Capitan.app –nointeraction
You will see progress of the copy in Terminal below
Erasing Disk: 0%… 10%… 20%… 30%…100%…
Copying installer files to disk…
Copy complete.
Making disk bootable…
Copying boot files…
Copy complete.
El Capitan Install Dvd
Done.
You now have a bootable USB drive with Mac X 10.11 El Captain.
Insert the USB into a Mac. Boot up the machine while holding option key. You will be prompted to select the USB drive to boot from. Follow the on screen instructions for installing Mac 10.11.
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