This will install the version of OS X you had installed. Formatting your Macbook Pro using this method will reinstall OS X, as well as your personal files. Select Install OS X and click on the Continue button.Quit Disk Utility and return to the Utility Menu.Select Disk Utility and click Quit Disk Utility NOTE: If you’re using a MacBook Pro with Touch Bar, you can take an optional step to ensure.
#How to reformat macbook pro sierra mac os
Erase using Mac OS Extended (Journaled) format 5. Select your startup disk and click Erase 4. Click on the Apply button, then wait for the Done button to activate and click on it. Restart your MacBook Pro, then press and hold Command + R to launch Recovery Mode 2.Set the Format type to APFS (SSDs only) or Mac OS Extended (Journaled.).Click on the Erase icon in Disk Utility's main window.When Disk Utility loads select the volume (indented entry, usually Macintosh HD) from the Device list.Select Disk Utility from the Utility Menu and click on Continue button.Upon completion, the Utility Menu should appear.Release the keys when the Apple logo and progress bar appear.Immediately after the chime press and hold down the " COMMAND" and " R" keys together.This is especially true for slow Wi-Fi connections.ĭo you happen to know if the Recovery HD is still on the disk and working? Test for it by trying to start up from it: Hold these keys down until your MacBook's screen goes blank and the computer restarts itself. To force a restart your MacBook, you need to press and hold down the Command () button, the Control (Ctrl) key, and the power button at the same time.
#How to reformat macbook pro sierra how to
You need to be using a fast Wi-Fi or an Ethernet connection. How to Hard Reset MacBook, MacBook Air, or MacBook Pro. That error usually has something to do with your Internet connection.
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