- #Create an installer disk for mac os high sierra how to
- #Create an installer disk for mac os high sierra install
- #Create an installer disk for mac os high sierra full
Go to the gibMacOS’ subdirectory (“/macOS Downloads/public release/061-44387-10.15.3 macOS Catalina”, or similar) where the full list of installation files you have downloaded earlier.Ĭreate a folder called “SharedSupport” in the download folder (/macOS Downloads/public release/061-44387-10.15. This is where we will build the full installation package next. Examine the contents of the drive (pic below). Now we have enough GB space (must be 10GB or more) to build/reconstitute the full installer. Next, drag the resize handle to as far right as possible, and click “Resize Now”. Select the middle partition (macOS Base System) and choose “Move or Resize” from the Operations menu. This is how your USB installer drive looks now with 3 partitions (pic below ). Close Boot disk utility after Restore is finished. Click the “Restore” button, and navigate to and choose the “4. Note: DO NOT select the whole flash drive. Select the partition (which you have assigned a drive letter and formatted in HFS). (Note: HFS+ allows you to see Apple’s HFS-formatted disks.) Start HFS+ for Windows, and make sure the flash drive is mounted. Next, format this drive (not the bootloader part!) as HFS (only HFS!). From the Operations menu select “Change Drive” and assign a drive letter (any letter will do) to the macOS Base System partition. (If you don’t see your flash drive in PPM, take out and reinsert.) Notice the flash drive is in two partitions: the small bootloader and a 1.22GB macOS Base System partition. However this is not what we are satisfied with here we want the full mother inside the flash drive. Using this you will reach the Recovery/macOS utilities stage (pic below) but if you want to continue installation your PC must be able to connect to the internet (and download an additional 6-7 GB of files). Having properly configured the OpenCore bootloader, you can now use this flash drive to start your macOS installation in a would-be Hackintosh machine. Navigate to that directory (you may have to set “show hidden files” in File Explorer) and copy the file to another location. The first line is the location of the temporary file, “4.hfs”. While gibMacOS is writing the installer (above 15 minutes), you have to copy a temporary file (it will disappear once gibMacOS completes its task). Upon completion, the flash drive will contain the OpenCore bootloader, its EFI directory/files, and the macOS’ recovery package.
How? Follow Luis Ceja’s YouTube tutorial, if you are unsure. Insert the flash drive and run gibMacOS’ MakeInstall.bat command. It should be in the gibMacOS’ subdirectory (macOS Downloads/public release/061-44387-10.15.3 macOS Catalina, or similar). Follow Technolli’s YouTube tutorial, if you are new to this.
To download these, use gibMacOS.bat command.
#Create an installer disk for mac os high sierra install
(Failure to do so will mess up gibMacOS install process next.)įirst, download the full macOS Catalina installation package. Use Paragon Partition Manager (hereinafter referred to as PPM) to “clean” the 16GB flash drive, i.e., no hidden files or partition, single partition and formatted with FAT 32. There are many reasons why you would want a full flash drive-based installation package.
#Create an installer disk for mac os high sierra how to
No worries! I will tell you how to make a FULL macOS Catalina USB installer with OpenCore bootloader, all using the Windows environment. Now you have this super duper Ryzen beast that you just have to hack since, like, yesterday. Then you realized she has taken away your only Mac with her. You just found out that your girlfriend had run away with the ugly dude from HR.
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