Bootable Usb El Capitan

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Macbook Usb Boot Drive

Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierra

First, review this introductory article: Create a bootable installer for macOS. Second, see this How To outline for creating a bootable El Capitan installer. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window. You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X.

Finally, after about 25 more minutes, OS X El Capitan should be successfully installed on the target drive. Boot into El Capitan via the USB Device. After the second reboot, boot from the USB device once again, but this time, select Boot OS X from El Capitan, and select verbose mode. Press Enter and cross your fingers again. If all goes well. The El Capitan DMG installer file, now available for download under the version of 10.11.6 for Mac OSX. Now the dmg file can be downloaded by any Mac device users. The Dmg file is known as the latest ISO regarding El Capitan operating system. When talking about the El Capitan OS X, this is the advanced OS, which has been released for the Mac. Created a bootable USB with El Capitan installer. Booted from it, erased my MBP (mid 2009), clean install from USB installer. Decided to use migration assistant, most apps not working plus all the clutter from pre clean install. Decided to do another clean install but MBP won't boot from USB and uses the recovery version instead. Jun 10, 2020 I have an iMac 2007 20', and its a second hand computer. It was running OSx Lion when I bought it, then I upgraded it to El capitan, After that, I made a big mistake of erasing the data without taking a copy of the dmg file in USB. After reset, I only have the option to boot into the recovery mode.

Drive Partition and Format

Open Disk Utility in the Utilities' folder.
After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.
Click on the Erase tab in the Disk Utility toolbar. Name the drive, 'MyVolume'. <---- IMPORTANT!
In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
Click on the Apply button and wait for the Done button to activate. When it does click on it.
Quit Disk Utility.

Create Installer

Open the Terminal in the Utilities' folder. Choose the appropriate command line (in red) depending upon what OS X installer you want. Paste that entire command line from below at the Terminal's prompt:

Command for macOS High Sierra:

sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS High Sierra.app

Command for macOS Sierra:

sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS Sierra.app

Command for El Capitan:

sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app

Command for Yosemite:

sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Yosemite.app

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Command for Mavericks:

sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Mavericks.app

Press RETURN. You will be asked for your admin password. It will not echo to the Terminal window. Then press RETURN again. Wait for the return of the Terminal prompt signifying the process has completed. It takes quite some time to finish. Be patient.

Macbook Usb Boot Drive

Sep 13, 2018 1:16 PM