How do you create a bootable USB containing the macOS install?

How do you create a bootable USB containing the macOS install?

The Easy Option: Disk Creator

  1. Download the macOS Sierra installer and Disk Creator.
  2. Insert an 8GB (or larger) flash drive.
  3. Open Disc Creator and click the “Select the OS X Installer” button.
  4. Find the Sierra installer file.
  5. Select your flash drive from the drop-down menu.
  6. Click “Create Installer.”

Can you make a macOS bootable USB?

We will run through the following steps to create a bootable USB for Mac: Get the macOS installer files. Create a bootable installer for macOS. Choose the correct createinstallmedia command.

How do you create or make a bootable USB from DMG file on Windows?

As long as your DMG file is in good shape, you can directly create a bootable disk.

  1. Step 1 Install DMG Editor. Download and install DMG Editor on your Windows PC.
  2. Step 2 Plug in USB Drive. Launch the application and click on the “Burn” section.
  3. Step 3 Load DMG File.
  4. Step 4 Start Burning DMG to USB Drive.

How to create bootable OS X Mountain Lion bootable USB drive?

Disk Utility will now create a bootable OS X Mountain Lion installer drive out of USB drive using the disk image, this can take a little while depending on how fast the drive and Mac are but 20-30 minutes isn’t unusual. When finished, reboot the Mac and hold down the Option key to bring up the boot menu:

How do I install Windows 10 mountain lion on a USB?

Create a Bootable USB drive for Mountain Lion manually Navigate to Contents > SharedSupport, then look for the filename “InstallESD.dmg” Create a Bootable USB installer drive for Mountain Lion Double-click InstallESD.dmg to open/mount it on your Desktop.

How do I install Mac OS X Lion on a flash drive?

Drag the Mac OS X Install ESD icon into the Source field on the right (if it isn’t already there). Connect to your Mac the hard drive or flash drive you want to use for your bootable Lion installer. This drive must be at least 5GB in size (an 8GB flash drive works well), and it must be formatted with a GUID Partition Table.

How to create a bootable USB flash drive on Mac?

If your Mac ran OS X Mountain Lion at any point in the past or if you have previously purchased it, you can download it again from the Mac App Store and create a bootable USB flash drive with it. Here’s how you can download and obtain a soft copy of Mountain Lion. Launch App Store, and go to the Purchases tab.