After you start your MacBook for the first time — or if you just upgraded from OS X Yosemite — your laptop will launch El Capitan Setup automatically. The setup process takes care of a number of tasks:
Apr 01, 2020 Hello! My MBA 2011 running El Capitan has started to have weird behaviour, so I want to do a clan install of El Capitan from a bootable USB drive. I have the El Capitan installer file, but I cannot create the bootable installer in terminal with: sudo /Applications/Install OS X El. On your Mac, choose Apple menu System Preferences, then click Users & Groups. Open Users & Groups preferences for me. Click the lock icon to unlock it. Enter an administrator name and password. Click the Add button below the list of users. Click the New Account pop-up menu, then choose a type of user. Users of El Capitan and later can’t interfere with disk permissions. However, this doesn’t exclude the possibility of permissions-related issues. In macOS Sierra, users can change the permission settings to be able to access a file or folder.
Check compatibility
You can upgrade to OS X El Capitan from OS X Snow Leopard or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008)
MacBook Air introduced in late 2008 or later MacBook Pro introduced in mid 2007 or later Mac mini introduced in early 2009 or later iMac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with OS X El Capitan, the installer will let you know.
Make a backupSet Permission For El Capitan Mac
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connectedSet Permission For El Capitan Texas
It takes time to download and install OS X, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download OS X El Capitan
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS.
If you still need OS X El Capitan, use this link: Download OS X El Capitan. A file named InstallMacOSX.dmg will download to your Mac.
Install the macOS installerSet Permission For El Capitan 10
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallMacOSX.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation![]()
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install OS X El Capitan.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both OS X and related updates to your Mac firmware.
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