メモ：OS再インストール

How to download old Mac OS X versions

Here's how to get High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion and Snow Leopard, and what to do if you have installed Mojave - which removes the ability to download older macOS versions!

MacBook Pro 13" Unibody Mid 2012 Hard Drive Replacement

Written By: Andrew Optimus Goldberg (and 5 other contributors)

• Comments: 131
• Favorites: 236
• Completions: 507

Create a bootable USB drive

Written By: Anthony Fassler (and 3 other contributors)

• Comments: 54
• Favorites: 22
• Completions: 63

MacBook Pro 13" Unibody Mid 2012 Battery Replacement

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Written By: Andrew Optimus Goldberg (and 6 other contributors)

• Comments: 119
• Favorites: 82
• Completions: 493