Brand new MacBook pro stuck in booting loop
I just bought a new MacBook pro. I originally was using migration assistant to transfer data. Was taking too long, cancelled it. now Mac is stuck in booting loop
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Install El Capitan or Later from Scratch
If possible, back up your files.
- Restart the computer.Ā Immediately, at or before the chime, hold down theĀ Command and R keys until the Apple logo and progress bar appear. Wait until the Utility Menu appears.
- Select Disk Utility from the Utility Menu and click on theĀ Continue button.
- When Disk Utility loads select the target drive (out-dented entry w/type and size info) from the Device list.
- Click on theĀ Erase button in Disk Utility's toolbar. A panel will drop down.
- Set the partition scheme to GUID.
- Set the Format type toĀ APFS (SSDs only) orĀ Mac OS Extended (Journaled.)
- Click on theĀ Apply button, then wait for theĀ Done button to activate and click on it.
- Quit Disk Utility and return to the Utility Menu.
- SelectĀ Install OS X and click on theĀ Continue button.