This will take you to the Startup Disk Manager, where you should be able to see the USB drive.With the advances in technology, faster data access (SSD), and slimming hardware footprints, legacy technologies are typically the first cuts made to get these devices thinner and lighter while making them more powerful and efficient.Having properly configured the OpenCore bootloader, you can now use this flash drive to start your macOS installation in a would-be Hackintosh machine.With your bootable USB drive inserted in your computer, restart your Mac, then hold the Option (alt) key down on your keyboard until the Startup Manager appears. To boot from the disk, you need to hold down the option key when you hear the boot chime. Now remove the USB drive and insert it into the Mac computer.Installing OS X has never really been a particularly difficult task, but try doing that on a MacBook Air or a system with a broken optical drive. Just select 'Install macOS' from the list of options, then follow all of the on-screen prompts to start the. The macOS Utilities will open.When the download completes and your Mac launches it, quit the. 1) Download the High Sierra installer from Mac App Store. Creating a USB Installer for Apple OS X 10.7-10.8How to create macOS High Sierra installer. Luckily, Macs have a couple of options, specifically USB booting, and since most have an SD card slot, we can use those as well.User Account with Administrative privileges1. Apple computer with Mac App Store (OS X 10.6.8+) Install OS X Mountain Lion.app (installer downloaded from Mac App Store)
![]() Upon completion of the USB formatting, locate Install Mac OS X Mountain Lion.app (downloaded in step #1 to the Applications Windows On Usb Stick folder, by default). Click on the Options button and select the radio button for GUID Partition Table and click OK. Select Mac OS Extended (Journaled) for the format-type from the drop-down menu. Click the drop-down menu, selecting 1 partition. Click on the USB drive from the left-hand menu and select the Partition tab.4. Insert the USB drive into the Mac and launch Disk Utility.3. In the Source textbox, click the Image button and select the InstallESD.dmg file on your Desktop. Go back to Disk Utility and click on the newly formatted USB Drive in the menu, then click on the Restore tab. Navigate the file structure Contents | Shared Support and drag the InstallESD.dmg file to the desktop. User account with Administrative access*Note: Install DVD must be the original DVD from Apple and not a Restore DVD that came with earlier model Apple computers & laptops. ( Figure G) Creating a USB Installer for Apple OS X 10.5-10.6The process is nearly identical, with a few alternate items to complete the process: The process may indicate in excess of one hour, but in my experience the process takes significantly less time to complete. Upon verifying that the fields are correct, click the Restore button and select Erase from the application, if prompted to do so. Starbound mods downloadClick on the Restore tab and verify that the Mac OS X Install DVD appears in the Source text box. Launch Disk Utility and click on the OS X Install DVD from the left-hand menu. Insert Apple OS X Install DVD into Optical Drive. Select Erase from the confirmation box, if prompted to do so. Upon verifying that the fields are correct, click the Restore button. ( If you did not format the USB drive, please follow steps #2-6 from the 10.7/10.8 tutorial above) then continue on to step #5 below. Backup directories prior to initializing the HDD and/or reinstalling OS X.** Include additional resources on the drive that are required by your organization, such as Combo Updaters, applications or settings. Remember, this being a writable drive offers some additional perks over read-only media with a few caveats as well. Since this scenario requires reading data from the optical drive, it may perform slower than reading files that are located on the hard drive.Once completed, the USB drive will be bootable and have the full installation of OS X on there to install from scratch and update systems, as needed. Create A Bootable Drive Usb For Sierra Free To IncludeBe careful!**Note: Feel free to include any additional files or folders to the existing drives, so long as the original file hierarchy is not modified in any way. That may be contained therein. Loss/theft of USB drives and any additional data, such as configurations, passwords, etc. Choose the highest read and write speeds for your particular application to minimize this bottleneck. Read/Write speeds vary wildly depending on the make/model of the USB drive. Writable means live data can be subject to accidental deletion or corruption. Instead of selecting '1' partition in step #4, you'll be selecting a number equal to the number of versions of OS X you'll be copying over. The steps are identical to the Creating a USB Installer for Apple OS X 10.7-10.8 tutorial listed above, except for two key differences. This means about 8GB of storage space per version of OS X. And it worked! To achieve this, you'll want to have a USB/SD card capable of holding all the OSs on drive. Multiple OS X versions on the same USB/SD card (Bonus)While writing this article, I found myself in a predicament - I only had a 8GB USB drive! But luckily, I found a 16GB drive I'd lent my wife awhile back and decided to try to get the two versions of OS X encountered most frequently (10.7 & 10.8) onto the same 16GB USB drive. A missing, modified or corrupt file could result in an unreliable installation. Go through each to identify which version of OS X is contained, then simply rename it to a common name, such as 10.7 for the Lion installer 10.8 for Mountain Lion, etc. To resolve this, once the entire copy process has completed for all versions of OS X, the Finder will mount them all on the Desktop. While thoughtful, if working with multiple partitions, each will have the same name making them indistinguishable from the others. The copying process (steps #9-12) will now need to be repeated once for each version of OS X being stored.Tip: By default, Disk Utility names the partition identical to the source 'Mac OS X Install DVD' in my case. ![]() If you don't want to modify the command, change the name of your flash drive into FlashInstaller.Step 4 Create A Bootable USB Drive of macOS/OS XLaunch Terminal enter the following command according to the version of Mac operating system that you are dealing with.Sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install macOS High Sierra.app -nointeractionSudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install macOS Sierra. If your USB drive has a different name, replace FlashInstaller in the command with the name of your USB drive. Therefore, make sure there is nothing important on your flash drive before you continue with the following steps.Step 3 Check the Name of Your Flash DriveThe following command is to create a bootable copy of Mac OS installer on a USB drive named FlashInstaller. In fact, USB drives with larger storage, like 32 GB to 64 GB, tend to show better performance.IMPORTANT: The contents of the drive will be erased after creating a bootable installer drive. If you need to create a bootable USB drive of macOS High Sierra, 16 GB USB flash drive is suggested.
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