Install it on your computer. To install Lion without erasing your Mac's hard drive, restart using your new boot volume, and select Reinstall Mac OS X as outlined in Step 7, but without using Disk Utility to wipe the boot drive. The Lion installer you just downloaded can then be found by navigating to the external drive's Applications folder. Step 1, Download a program, such as DiskMaker X, which allows you to make a bootable OS X disk. In those cases, if all you have to work with is a Windows PC, DMGGeeker is the perfect application.
However, most of the time, you'll need a DMG to install an OS version on a Mac computer. To do this, start ‘Disk Utility’, select the flash drive from the left sidebar, select ‘Erase’ tab from right, and make sure the name is set to ‘Untitled’, format is set as ‘Mac OS Extended (Journaled)’. If you want to use a DMG file in Windows to mount a version of Mac OS X, then Method 1 will work.
#HOW TO CREATE OS X BOOT DISK WITH PC HOW TO#
If you wish to boot back into Lion before finishing the tutorial, you can simply restart your Mac holding Option, and this time choose your main hard drive. How To Make OS X Yosemite Bootable USB Flash Drive: Step 1: First up, you will need to format the USB drive. Boot disk help and information with steps on how to create a boot disk for a computer in different operating systems and questions and answers about bootable disks.
Quit it and extract InstallESD.dmg from the Install Mac OS X Lion file found in Applications, as described above. When it's finished downloading, the installer starts automatically. Lion is available to download you won't have to pay for it again. Once the file has been downloaded to your PC, you can proceed with one of the bootable disk creation methods shown below. Update to 10.6.8 using Software Update, and open the Mac App Store. For example, if you want to create a bootable macOS Mojave installer, you will need the DMG file for macOS Mojave. Choose to boot from Mac OS X Install DVD, and when instructed, install Snow Leopard on the external drive.Īfter your Mac reboots from the newly installed version of Snow Leopard, follow the on-screen prompts to set it up, as you would a new Mac. With your Snow Leopard install disc in the optical drive, restart your Mac with the Option key held down.