Issues reinstalling os10 on MacBook Pro (2012)

Make sure to use Disk Utility to erase the whole physical drive before installing a fresh macOS. With macOS 10.13+ you will need to click on "View" within Disk Utility and select "Show All Devices" before the physical drive appears on the left pane of Disk Utility:

https://support.apple.com/guide/disk-utility/erase-and-reformat-a-storage-device-dskutl14079/mac

Hello Hipchickate,

After reviewing your post, it seems like you want to reinstall macOS on the MacBook Pro. There are a couple things you can try that may be able to help. We would recommend you use this article to help troubleshoot the issue.

• "On an Intel-based Mac: Choose Apple menu  > Restart, then immediately press and hold one of these key combinations, depending on what you want to do, until you see a spinning globe appear:
  • Install the latest version of macOS compatible with your computer: Press and hold Option-Command-R.
  • Reinstall your computer’s original version of macOS (including available updates): Press and hold Shift-Option-Command-R.
  • Reinstall the version of macOS stored on your computer’s built-in recovery disk: Press and hold Command-R."

Reinstall macOS

Please don't hesitate to let us know if the steps resolved your issue or if you need additional assistance.

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