5/27/2023 0 Comments Diskmaker x 4b4![]() The drive will be erased completely during the process of making a bootable USB. Step 2: Stick in the USB drive that you want to boot and install macOS from and backup all data from it, if any. ![]() Even though TransMac is a paid software, the 15-day trial copy is good enough to prepare the bootable USB of Mac on your PC. Step 1: The first step is to download TransMac software and install the same on a PC running Windows operating system. NOTE: The guide was originally written to prepare Yosemite bootable USB but the guide is compatible with the latest macOS Mojave as well. Simply follow the given below instructions to prepare your bootable USB of macOS on a PC. If you have the DMG file of macOS and a USB flash drive of size greater than 16 GB, it’s easy to prepare the Mac OS X bootable USB on a Windows PC. The only thing is that you must have the DMG file of macOS. Mv /tmp/elcapitan.cdr ~/Desktop/elcapitan.Mac users who don’t have access to a bootable Mac machine to prepare the bootable USB of macOS can take the help of a computer running Windows operating system for the job. Hdiutil convert /tmp/elcapitan.sparseimage -format UDTO -o /tmp/elcapitan Hdiutil resize -size `hdiutil resize -limits /tmp/elcapitan.sparseimage | tail -n 1 | awk ''`b /tmp/elcapitan.sparseimage Rm /Volumes/install_build/System/Installation/PackagesĬp -rp /Volumes/install_app/Packages /Volumes/install_build/System/Installation/Ĭp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/install_buildĬp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/install_build Hdiutil attach /tmp/elcapitan.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build Hdiutil resize -size 8g /tmp/elcapitan.sparseimage Hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/elcapitan Hdiutil attach /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app You may then boot up from it by holding the option key down and then install El Capitan. Or if usbs aren't quite your thing you could make a bootable dvd instead (and if el capitan gets too big for that later, I'll update these instructions on how to make a bootable blu-ray of el capitan).Īfter downloading the full El Capitan Public Beta installer app from the Mac App Store, run these 14 commands in Terminal to create an elcapitan.iso file and then burn it to a dual layer DVD with Disk Utility or some other disk burning utility. Sudo /Applications/Install\ OS\ X\ El\ Capitan\ Pubic\ Beta.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app -nointeraction The installer should be called Install OS X El Capitan Public Beta.app and should be in your Applications folder. ![]() Now that El Capitan PB1 is released if you want to be able to make a bootable usb, format an 8 GB USB drive which should be called Untitled and formatted as Mac OS Extended (Journaled). So it is better to use a 16GB USB3 rather than a 8GB or USB2. * - note if your usb is too slow or too small you may get an error " Mount of outer dmg failed" because it did not copy over the invisible files that make the usb bootable. Then restart for everything to get back to normal after you have run these commands in Terminal. Where lvUUID is the last lvUUID reported by the previous Terminal command. If the installation creates a core storage logical volume you can revert it to get partitions back to normal by running these 2 commands in terminal. You can boot up from it by selecting it from the startup manager you get when starting your computer and holding down the option key. Sudo /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app -nointeraction Run this in terminal and wait about 20 minutes: ![]() Now that El Capitan PB1 is released if you want to make a bootable usb, format an 8 GB or preferably a 16 GB USB3 drive* which should be called Untitled and formatted as Mac OS Extended (Journaled).
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