Reinstall El Capitan

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Oct 01, 2015 When the drive is finished erasing, quit out of Disk Utility to return to the “OS X Utilities” screen. Now choose “Install OS X” from the menu, click Continue. Agree to the terms, and choose “Macintosh HD” (or matching whatever the name you formatted the drive to) from the list and click on “Install”. That’s it, OS X El Capitan will perform a fresh installation on a now empty hard disk volume that you just formatted. When it starts up in the El Capitan installer, can you not just quit the installer? The date to use an older copy is Oct 23 or earlier, but not sure how you will be able reset it. Moitori (Tori Hernandez) November 17, 2019, 6:15am #3. Installing El Capiton on an old Mac Book Pro today, I received the error: 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.

How to install el capitan
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Mar 04, 2021 Insert the USB flash drive containing the El Capitan installer into your Mac. Restart your Mac while holding down the Option key to display the OS X Startup Manager. Select OS X El Capitan installer on the USB flash drive and then press Return to start up the Mac from the installer. Make sure the El Capitan installer (or at least a copy of it), called Install OS X El Capitan.app, is in its default location in your main Applications folder (/Applications). Select the text of.

On this page:

  • Reinstall El Capitan on a computer alreadyrunning it

Upgrade from previous versions to OS X 10.11 (El Capitan)

  1. From the Apple menu, select App Store....
  2. When the App Store opens, search for and download El Capitan. If you don't already have an Apple ID, you'll need to create one. You can monitor the download process in the 'Purchased' section of the App Store.
  3. Once the download is complete, the installer should automatically open.

    If it doesn't, or you don't want to complete the installation at this time, you can come back later and double-click Install OS X El Capitan in your Applications folder.

    Within the installer, click Continue, agree to the license agreement, and then choose the disk where you want to install El Capitan.

    After you begin the installation, your computer may need to restart more than once before finishing, and then you may be asked to enter basic information.

  4. From the Apple menu, select App Store..., and then install any available updates.

Reinstall El Capitan On A Mac

Reinstall El Capitan on a computer already running it

To reinstall or recover El Capitan, you must have an active internet connection. If you are on campus at IU, UITS recommends the wired Ethernet network instead of wireless. However, if IUSecure is your only option, see Connect to an IU wireless network in macOS if booted from your Recovery HD.
Reinstall

Reinstall El Capitan

Reinstall while keeping files, applications, and settings

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
  2. If prompted, select your main language and then click the arrow.
  3. Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk. Click Install, and enter your Apple ID information if prompted.
  4. When the installation is complete, select App Store... from the Apple menu, and install any available updates.

Reinstall while erasing everything on your computer

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

  2. If you see a screen asking you to select your main language, choose it, and then click the arrow.
  3. Click Disk Utility, and then Continue.
  4. In Disk Utility:
    1. Click your hard disk in the left column, and then click the Erase tab.
    2. Next to 'Format:', make sure OS X Extended (Journaled) is selected. In the 'Name:' field, give your disk a name. Click Erase.
    3. Once it's completed, quit Disk Utility.
  5. Click Reinstall OS X, and then Continue:
    1. Follow the instructions on the screen, and then choose your hard disk.
    2. Click Install. If prompted, enter your Apple ID information.
    3. Once the installation is complete, you'll be asked to enter basic information, and have the option to transfer data from another computer or backup.
  6. From the Apple menu, select App Store, and then install any available updates.