On a new Mac, the bootable USB will have the option to format the storage drive. On your Mac, USB will boot a small program that can overwrite the existing OS or install Mac OS from scratch. You can also install a Mac OS from a USB. In a situation where the original OS cannot be restored, you will be able to use the bootable disk to copy valuable files to an external drive. When you boot your Mac from a USB, your USB will also contain troubleshooting and repair utilities. But at least the bootable OS should support the file system on your Mac's internal hard drive. The OS loaded on the USB can be a lighter version of the OS running on the computer or it may be a completely different OS. You can create a bootable USB to use when your Mac system is failing. Normally your computer looks for external USB drives and optical disks when it starts booting up if there are no external drives then it boots up from its hard disk or SSD. What Is a Bootable USB Drive?Ī bootable USB drive is a USB drive that contains a bootable program that takes control of a computer. LineRescue Recover Deleted files from Win/Hard Drive AnyRecover for PC Recover Deleted files from Win/Mac/Hard DriveĪnyRecover for iOS Recover Deleted files from iPhoneĪnyRecover for Android Recover Deleted files from Android
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