Because I am selling my old MacBook Pro (13-inch, 2011) and, for this reason, restore it to the factory settings. I have followed the steps for this. First the discs were erased which only partially succeeded. In the next step "reinstall macOS" I now get a gray screen and I can't get out (even after I turned off the laptop).

How can I proceed from here?

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1 Answer 1


These links may help:

1) https://mackeeper.com/blog/post/473-step-by-step-guide-to-reset-mac-to-factory-settings/

2) https://www.macworld.co.uk/how-to/mac/reset-mac-3494564/

3) https://macpaw.com/how-to/factory-reset-mac

  • It's better to explain what those links say in your answer, rather than just linking to another site. If those sites go down, then this answer will be worthless.
    – slang
    Commented Jul 30, 2019 at 14:10

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