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When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
A few months ago, I was experiencing a black screen problem while logging into a mid-2009 MacBook Pro. I tried to recover and fix the black screen problem, but it doesn't work.
Then I went into recovery section of MacOS to find out that I have formatted the hard drive. I reinstalled Mac OS, but it gives that message, and the laptop kept getting that message every time I turn it on.
MacBook Pro
Was this Apple Method used >> Use Disk Utility to erase an Intel-based Mac
Then was this Apple Method used >> How to reinstall macOS. This will require a functioning Internet Connection. For best results use an Ethernet Cable directly to Router.
Follow these guidelines during installation:
Was this Apple Method used >> Use Disk Utility to erase an Intel-based Mac
Then was this Apple Method used >> How to reinstall macOS. This will require a functioning Internet Connection. For best results use an Ethernet Cable directly to Router.
Follow these guidelines during installation:
I want to upgrade macOS High Sierra 10.13.6 to OS X El Capitan 10.11.6 .
My is 2009
High Sierra macOS 10.13 released 2017 is newer than El Captain OS X released in 2015
Therefore, does the user actually mean Downgrade from High Sierra to El Capitan ?
Mid 2009 MacBook Pro can't install Mac OS X El Capitan
