Here's how to create a bootable backup disk and save yourself some time.
But before you do anything else, a word of caution: You can find out more on how to do this here. If you want to make the process as painless and automated as possible, there's an app you can use called Lion Diskmaker.lamalcompdesyn.gq/cizy-actividades-para-conocer.php
Convert macOS Installer .app to bootable .dmg or .iso image
Simply download the app and in a few clicks and about 30 minutes your disk will be finished. The app also works with OS X Lion.
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- Hint Options;
Drag and drop the " InstallESD. This should make it appear in the Source box on the right.
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If not, you may have to click the " Restore " tab as seen below. If you need help using your disk to restore your Mac, Apple has a helpful page in its Support section. When following these instructions we got a persistent error message when restoring the boot image to the USB partition, "Restore Failure Could not restore — Invalid argument".
However it appears that this has no effect on the restore, and the USB is usable afterwards. Consistently the usb is not bootable on the Dell Inspiron 14 but the crazy part if that if I follow this howto and unetbootin I almost get it to work: Name required. Mail will not be published required.
How to create a Bootable ISO image of macOS High Sierra installer – Tyler Woods
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