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#El captin installer wont run in high sierra install#
#El captin installer wont run in high sierra update#
#El captin installer wont run in high sierra software#

Then, you can restore MacBook to an older OS via a bootable macOS installer.

#El captin installer wont run in high sierra install#

Perhaps, both the macOS that came with your Mac and the one you have backed up with Time Machine before updating are not the versions of macOS you want to install on your Mac. Restore MacBook to older OS via a bootable installer Then select Reinstall macOS and follow the onscreen guide to install the original macOS. It will boot your Mac into Internet Recovery mode. Instead of booting Mac into the standard recovery mode with Command + R keys, you need to press and hold Shift + Option + Command + R until the spinning wheel appears on the screen. This method applies to reverting an Intel Mac to the macOS version that came with the Mac. If there is no Time Machine backup, you can still revert an Intel Mac to an older macOS or OS X in the recovery mode. Revert Mac to original macOS in Recovery mode Select the Mac internal hard drive to receive the backup content and click Restore.Select the backup before updating macOS by date, then click Continue.Choose your Time Machine backup drive, then click Continue.Choose Restore from Time Machine in macOS Utilities and click Continue.Connect your Time Machine backup drive to your Mac.

#El captin installer wont run in high sierra update#

If you have backed up your Mac with Time Machine before you update to the current macOS, you can restore Mac to the previous macOS with the Time Machine backup. Install older macOS With a Time Machine backup In this way, you can get your files back after reinstalling macOS. You can choose to backup Mac with Time machine, upload important files to cloud storage, or transfer them to external storage. Thus, you'd better back up your Mac before wiping the drive. You need to completely erase your Mac startup disk before installing an earlier version of macOS or OS X with Time Machine or the Recovery mode.īear in mind that formatting Macintosh hard drive will erase all your contents on the Mac. Because you can not install an earlier version on the top of the current one. If you start to directly install macOS after downloading the installer, it won't succeed. Mac models compatible with OS X EI Yosemiteīack up Mac and erase Mac before downgrading macOS.

Mac models compatible with OS X EI Capitan.

Mac models compatible with macOS Sierra.

Mac models compatible with macOS High Sierra.

Mac models compatible with macOS Mojave.

Mac models compatible with macOS Catalina.

Mac models compatible with macOS Big Sur.

As for Apple Silicon Mac with macOS Big Sur installed when leaving the factory, only macOS Big Sur and later versions are compatible due to the transition from Intel x86 architecture to ARM architecture. If you bought a Mac shipped with macOS Catalina, you can not reinstall macOS Mojave on it. The earliest version of macOS your Mac can run is the one that came with the Mac. In the first place, you need to check whether the earlier version of macOS you want to install supports running on your Mac. Back up Mac and erase Mac before downgrading macOS Thus, you want to install an older version of macOS on your Mac.

#El captin installer wont run in high sierra software#

However, the latest macOS Monterey or the currently installed one may fail to satisfy you, such as the Mac runs slowly after update, it is not compatible with the software you prefer to use, etc. It is recommended to keep your Mac updated to the latest version of macOS to maintain the security, stability, and compatibility, improve the performance of your Mac and experience the newly added features.