

Read More: Recover Data on Not Booting Mac Salvage Mac Data Using Recovery USB Drive Shut down M1 Mac, leave it off for 30 seconds, then turn it on.Reset NVRAM, PRAM, and SMC in Intel-based Mac.Use the existing or a new USB drive, then use createinstallmedia to recreate the boot drive.Format the USB drive using GUID Partition Table in the scheme option.From the USB drive’s Get Info window, deselect Ignore ownership on this volume checkbox.Connect the USB drive snuggly to your Mac.Check the compatibility of Mac with the latest macOS.When your Mac doesn’t boot from a bootable USB drive, you should perform the following fixes, then try the boot process once again.
BOOTABLE USB FLASH DRIVE MAC HOW TO
If you identify any of the above scenarios, read the following sections to learn how to fix the non-booting issue on an external USB drive.
BOOTABLE USB FLASH DRIVE MAC UPGRADE
To upgrade macOS on multiple Mac devices.Purpose of Booting Your Mac from USB Drive But, sometimes, you need to boot your Mac from an external USB drive to perform a specialized task. When you power on your MacBook Pro or Air, Mac mini, or iMac, the computer boots up automatically from the internal storage drive-say SSD, HDD, or Fusion Drive.

To salvage data from a crashed or non-booting Mac, download Stellar Data Recovery Professional to create a bootable USB drive. Summary: In this blog, you’ll learn different troubleshooting methods if your Mac doesn’t boot from a USB drive.
