When the USB has been created you can open it to a Finder window, you will only The process will take about 20-30 minutes, wait till the Terminal prompt reappears. How to create a bootable installer for macOS – Apple Support Terminal command (copy and paste it into Terminal) for Mojave from this link, Once you have reformatted the USB stick you can then go onto create the bootable USB using the You then highlight the Disk and click Erase, not the indented Volume. The USB must be connected directly to the mac. When reformatting the USB using Disk Utility have you selected the Show All Devices option The USB stick you use should be 16GBs or greater in size and a named quality brand, I use SanDisk. Upon trying to install High Sierra with the created Bootable Disk, I am getting an error stating the install files are damaged or corrupt.Īm I using the correct Terminal commands to make this Bootable Install Disk?Ĭonfirm your Install macOS Mojave.app is 6.05GBs in size and that it is in your Applications folder. Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume (where MyVolume is the name of the formatted USB drive) In my case, I am copying the High Sierra Installer to a USB Drive, using Mojave, in order to install High Sierra on the MacBook. The instructions vary, in the Apple Support Guide, depending upon which OS is being copied. I am not sure I am using the proper commands in Terminal when copying the High Sierra installer to the USB drive. I have successfully downloaded the full (5.23GB) High Sierra Install File using my iMac, and I have followed the instructions provided by Apple Support at High Sierra is that latest version that is compatible the the model of MacBook Air that I own. In addition, I also used the same steps to try to create a bootable installation drive using a 500 GB hard drive, but it doesn't appear upon option/startup either.Ĭreate a High Sierra Bootable USB Install Disk w/ Mojave I am trying to do a clean install of High Sierra on my MacBook Air (which has crashed) by creating a Bootable Install Disk with my iMac which is running Mojave V 10.14.5 I would have thought that the process of creating a bootable drive would add a set of system and user folders to the drive as well. In either case, the drive does not show up when I restart and hold down the Option key, nor does it show up in System Preferences/Startup Disk.Īfter creating the bootable drive, the only file on the drive is "Install macOS Mojave." This file appears to be identical (exact same # of bytes) as the "Install macOS Mojave" app that I downloaded from Apple into my Applications folder, in other words, the process appears to have simply copied the installer. I created the drive in two ways, using the terminal commands given here, as well as by using the "Install Disk Creator" software package. I formatted the 16 GB drive using Mac Extended (Journaled) with a GUID partition. I am trying to make a bootable USB drive installer for Mojave.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |