You can alter the Distribution file to ignore the supported platform check, see below.Ĭreating the Install OS X El Capitan.app on a mac that came with a newer OS than El Capitan.ĭownload the InstallMacOSX.dmg from Section 4 of How To Upgrade To El Capitanĭouble-click to open InstallMacOSX.dmg to Install MacOSX.pkg.Ī folder will be created on the Desktop after a while with the contents of the. Step 2: Right-click again on the drive in the left panel and this time select Restore with Disk Image. I backed up the Lion dmg file when I purchased it via the Mac App Store.
Step 3: Click Burn button on the main screen and. Step 1: If you havent formatted the USB, right-click on your USB drive in the left panel and select Format Disk for Mac from the contextual menu. A Mac machine needs to be reformatted with Lion. And you create the bootable USB by running the command given by Maximus.
Step 2: Download and install UUByte ISO Editor on your PC, insert the USB drive and launch the application. dmg file and locate the hidden BaseSystem. So to be clear, installing 'Install macOS Sierra.dmg' will not install Sierra OS on the current computer but only puts the 'Install macOS Sierra' app inside the applications folder. If the DMG was intended to be bootable then the resulting USB will be bootable. Here's how it works: Step 1: Once you have the macOS install DMG file on a Windows PC, click on Windows + R to open the run dialog box, and. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal. Second, see this How To outline for creating a bootable El Capitan installer. First, review this introductory article: Create a bootable installer for macOS. Then perform a clean install using the macOS Sierra USB Installer. Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierra. Learn more A bootable installer doesn't download macOS from the Internet, but it does require an Internet connection to get firmware and other information specific to the Mac model. If you use pkgutil to expand the InstallMacOSX.pkg it opens to three items, the Distribution file, InstallMacOSX.pkg and Resources. This guide covers the verbatim copying of a DMG image to a USB thumb drive using only Linux (no need to find a Mac). Use the following command: sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ Sierra.app -nointeraction. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.