crwdns2935425:04crwdne2935425:0
crwdns2931653:04crwdne2931653:0
-
Select your hard drive from the left column in Disk Utility.
-
Click the "Erase" button at the top of the window.
-
Choose a name for your drive (you can rename it later). Leave the scheme as GUID Partition Map.
-
If you are installing an SSD, choose the APFS format. If you are installing a mechanical drive or if your device doesn't officially support the newer OS, leave the format as Mac OS Extended (journaled)
-
Click "Erase." When the process completes, click "Done."
-
Exit the Disk Utility by clicking on the red X button on the top left corner of the window.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0