- #HOW TO MAKE A BOOTABLE USB OS X YOSEMITE ON PC HOW TO#
- #HOW TO MAKE A BOOTABLE USB OS X YOSEMITE ON PC ISO#
From the first iso, obtained on step 3, copy BaseSystem.chunklist and BaseSystem.dmg on the thumb drive (actually, the latter might not be necessary - but it worked for me at this step and I stopped experimenting).
#HOW TO MAKE A BOOTABLE USB OS X YOSEMITE ON PC HOW TO#
How to Clean Install OS X Yosemite on Your Mac. Once the Startup Manager screen appears, release the Option key. Holding that key gives you access to OS X’s Startup Manager. When you hear the startup chime, press and hold the Option key. Press the Power button to turn on your Mac (or Restart your Mac if it’s already on). Mount the thumb drive (you might need to apt-get install hfsprogs to mount an HFS filesystem). The OS X Yosemite bootable USB flash drive will be ready for use and you can start the clean installation process. Insert the USB boot media into an open USB slot. In my case (High Sierra 10.13.6), 4Gb stick was sufficient, even though createinstallmedia requires 8Gb.
#HOW TO MAKE A BOOTABLE USB OS X YOSEMITE ON PC ISO#
iso as well ( dmg2iso -i BaseSystem.dmg -o BaseSystem.iso)Ĭopy it to a thumb drive: dd if=BaseSystem.iso of=/dev/sdX BS=1M. Insert the USB Flash Drive or SD Card into. Lets take a look at how to create the USB installer for OS X Yosemite, the easy way. Here you will find the disk image that contains the files we need to create a bootable installer. Right-click the OS X Yosemite file and select Show Package Contents from the pop-up menu. iso įind BaseSystem.dmg in the mounted image. USB Flash Drive (or SD Card) with a minimum of 8 GB storage space. Locate the file named Install OS X Yosemite. You can do it from GUI (right click, "Open with disk image mounter") or something like mount -o loop.
So, you'll need to find an alternative source.Ĭonvert. This question on apple support has all the links, but they are only accessible from OS X (if you had access to a live OS X at this point - you probably would've just used createinstallmedia already, right?). Unlike El Capitan, High Sierra only needs BaseSystem.dmg, which also has enough free space to boot - so, the process overall can be simplified a bit. Let's take a look at how to create the USB installer for OS X Yosemite, the easy way. So, leaving it here in case somebody else will need to. USB Flash Drive (or SD Card) with a minimum of 8 GB storage space. I recently had to make a High Sierra 10.13.6 bootable USB drive, and the process turned out a bit more involved that just dd-ing the dmg2img-generated ISO to a thumb drive.