Search results
Results from the WOW.Com Content Network
Many of these posts assume one is starting with a disk image (.dmg) file made from an existing OS X USB flash drive installer. An InstallMacOSX.dmg file for OS X El Capitan, can be downloaded from the Apple website How to download macOS. While this file can be restored to a flash drive, the result is not a working OS X El Capitan USB installer.
Download macOS. The installer for OS X El Capitan downloads to your Downloads folder as a disk image named InstallMacOSX.dmg. To get the installer: Download using Safari, and open the disk image on a Mac that is compatible with OS X El Capitan. Inside the disk image is an installer named InstallMacOSX.pkg. It installs an app named "Install OS X ...
Below are the steps needed to create an USB flash drive El Capitan bootable installer. Download the InstallMacOSX.dmg file by clicking on the OS X El Capitan 10.11 link in the Apple document "How to download macOS". These instructions assume that this file has been downloaded to your ~/Downloads folder.
How can I use Windows to create an OS X El Capitan USB flash drive installer from the disk image (.dmg) file downloaded from Apple? My InstallMacOSX.dmg (El Capitan file directly from Apple's website for OS's) file does not have this Install ESD file inside of the DMG when using 7Zip, I have tried Mountain Lion, Lion and El Capitan and neither ...
Get Snow Leopard 10.6 installed on the 2008 iMac. Use the M1 Mac to create USB flash drive bootable Snow Leopard 10.6 installer. See this question. Upgrade the 2008 iMac to OS X 10.6.8. Use Snow Leopard to create the Install OS X El Capitan application. Use Snow Leopard to create the El Capitan USB installer (El Capitan rescue USB).
10. macOS 10.15 Catalina adds a new feature to the command line softwareupdate tool to download older versions of macOS: --fetch-full-installer Install the latest macOS Installer. --full-installer-version The version of macOS to install. Ex: --full-installer-version 10.15.
As another user noted, the Balena Etcher method works great on a Mac. On my 2021 MacBook Pro (with M1 Pro chip), I created a bootable OS X Snow Leopard USB drive using a .DMG of Snow Leopard I downloaded on the internet. And then installed Snow Leopard on a 2009 MacBook Pro without a hiccup.
Select to copy the OS X Install ESD\BaseSystem.chunklist and OS X Install ESD\BaseSystem.dmg files in your Downloads folder. Repeat to copy the InstallAssistant.icns file in your Downloads folder. In the listview pane, right click on the InstallAssistant.icns file, then select "Rename". Change the name to .VolumeIcon.icns
20. Before you're able to create a bootable OS X installer, you'll need to do the following first: Download the OS X Installer app from the Mac App Store. Mount the volume you want to convert into a bootable installer. This could be removable media such as a USB flash drive, or a secondary internal partition.
Right-click your USB drive in the left pane and click Restore with Disk Image. Click Yes on the dialog box that opens. Browse for your El Capitan DMG file and then click OK to write the image. Now, wait - this process could take a long time. Once the disk image is written and TransMac has completed the process, eject the disk and plug it in to ...