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For High Sierra, Mojave or Catalina, Open Safari and click on this link, How to get old versions of macOS – Apple Support. Go to Check Compatibility to see if your mac qualifies for the OS upgrade you want. Then go to the Download OS section and click on the OS you want to install.
Set the Format type to Mac OS Extended (Journaled.) Click on the Apply button, then wait for the Done button to activate and click on it. Quit Disk Utility and return to the Utility Menu. Select Reinstall OS X and click on the Continue button. Install El Capitan from Scratch. Backup if possible before continuing.
Here’s how I solved this problem: [Not sure if needed] Booted on the recovery volume, to disable System Integrity Protection (SIP). Downloaded El Capitan’s installer from the App Store, on another Intel-based Mac. Created a USB boot disk from the installer, using the command line utility included with it.
I run an IT business and many of the macOS (Mac OS X) El Capitan clients are suddenly reporting Mac Mail app crashes on launch. The quick fix seems to be to use another email client app (eg. Thunderbird) or make do with webmail. Some changes temporarily work to fix it, only to soon fail again.
Chrome - for Mac OS 10.11 and later. Omniweb - for Mac OS X 10.4 through 10.12. 10.12 release never was finalized. Interweb PowerPC - for PowerPC Mac OS X 10.4 and 10.5. Firefox ESR - for 10.9 through 10.11.6 (July 2021 support to end), 10.12-current (version 89). - Not compatible with Mojave Netflix.
Here are the instructions. Go to Section 4 and click on Download OS X El Capitan. This downloads InstallMacOSX.dmg to your Downloads folder. The next section can only be done on a mac that is capable of running El Capitan, a mac that came preinstalled with an OS later than El Capitan will refuse to do the next bit.
If the above doesn't work, try booting into the Recovery Partition, use Disk Utility to erase/reformat the disc as Mac OS Extended (Journal) with option GUID, then reinstall the OS. Reboot normally and try the El Capitan installation agin. JohnGarland2001 Author. Level 1. 4 points.
Posted on Nov 4, 2021 6:51 AM. Yes, as long as it is functioning. One might be able to upgrade to a newer version of macOS. The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there. With the above information in-hand ...
What method are you using to install Mac OS X El Capitan. Does your mac have a working operating system at the moment. If so this is the preferred method for installing El Capitan. Open your Safari browser and click on this link, How to get old versions of macOS – Apple Support. Go to Download OS and click on OS X El Capitan 10.11
Download El Capitan using this method. How to get old versions of macOS – Apple Support. Go to Download OS and click on OS X El Capitan 10.11. this downloads InstallMacOSX.dmg to your Downloads folder. The next section can only be done on a mac that is capable of running El Capitan.