Right-click the TransMac software icon and Run as administrator. Make sure you take off any important documents.) (Remember that all the data in the USB will be erased. Insert the USB drive that you’ll use to fix your installation of OS X. (If you want to support the developer, you can purchase the full version.) Quick note: TransMac is a paid software, but it has a 15-day trial solution that gives us more than enough time to move the DMG files to the USB drive from Windows. Type the following command to select the storage and press Enter: select disk 1 Type the following command to determine the USB flash drive and press Enter: list disk Type the following command to open Diskpart and press Enter: diskpart Search for Command Prompt, right-click the top result, and select the Run as Administrator option. Use these steps to set up a USB drive with a GPT partition: To do this, you’ll need to use the Diskpart command-line utility on Windows 10. Create Mac OS X bootable USB installation mediaīefore using TransMac, you first need to partition your USB flash drive with a GPT partition, as a normal MBR partition may not work. Now that you have all the necessary ingredients, you’re ready to make a Mac OS X bootable USB using the DMG file of the operating system with the steps below. One high-quality USB flash drive with 16GB of storage.Requirementsīefore you dive into this guide, you’ll need a few things: These instructions will also work for Windows users running Mac OS X on a virtual machine and needing to upgrade to the latest version. However, if you find yourself in a scenario where your device (iMac, MacBook Pro, Air, Mac Pro, or Mini) is not responding, and you happen to have a Windows 10 device, then you can still be able to make a USB bootable installation media for your Mac OS X to reinstall the operating system using the Recovery Assistant. This is why it’s recommended that you make a Mac OS X bootable USB when your Mac is in working conditions. Now all you have to do is restart your Mac and and after you here the chime sound, press the Option ( Alt ) key until you see the option to choose the flash drive to boot from.If you’re still using a Mac OS X, the time will come when your computer won’t boot, or a problem may arise where you can’t take control of the device, and booting from an OS X installation media will be required. When you’re done, the app will tell you that the boot disk is ready, you’ll see that your flash drive has been renamed as macOS 10.13 Install Disk and it will be opened. You will be notified with each 10% completion via the macOS notification system. Once you enter your admin password, DiskMaker X will start copying the necessary High Sierra files onto your flash drive. Now the app will format your flash drive and ask you for your admin password. The app will ask you about your thumb drive, and it will tell you that will be completely erased before copying macOS High Sierra onto it…ħ. If you downloaded it from the app store ( step 2 ), choose ‘Use this copy’Ħ. Once it found your Sierra copy, it will ask you if you want to use the copy that it found or you want to use another copy. Now, the app will search for a copy of macOS High Sierra. dmg file to open it and drag-and-drop the DiskMaker X app into the Applications folderĥ. Download High macOS Sierra from the Mac App StoreĤ. Get an an empty flash drive with at least 8GB of storageĢ. Jump over the break to learn how to use DiskMaker X…ġ. You can use the Install drive to fully re-install the OS on a freshly formated drive, or install it on your many Macs without re-downloading the full installer. It’s the easiest way to build an macOS Installer in a few clicks ! Then, it proposes to build a bootable install disk and make it look as nice as possible. How to create an Bootable Ubuntu USB - ImagineLinux
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