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Exercise 4.1 Use OS X Recovery | Apple Pro Training Series: OS X Support Essentials: OS X Recovery | Peachpit
![Got these 2 original MacBook Air. But IMPOSSIBLE to reinstall an OS. CMD+R doesn't do anything and the forbidden symbol appears. Any ideas? Thank you 🙏🏼 : r/macbookair Got these 2 original MacBook Air. But IMPOSSIBLE to reinstall an OS. CMD+R doesn't do anything and the forbidden symbol appears. Any ideas? Thank you 🙏🏼 : r/macbookair](https://preview.redd.it/pjl1lz0oena91.jpg?auto=webp&s=77d6379e484d8f54ff968e5d5bfdf47568ddf062)
Got these 2 original MacBook Air. But IMPOSSIBLE to reinstall an OS. CMD+R doesn't do anything and the forbidden symbol appears. Any ideas? Thank you 🙏🏼 : r/macbookair
![The Differences Between a PC Keyboard, Mac Keyboard, and Linux Keyboard - Das Keyboard Mechanical Keyboard Blog The Differences Between a PC Keyboard, Mac Keyboard, and Linux Keyboard - Das Keyboard Mechanical Keyboard Blog](https://www.daskeyboard.com/blog/wp-content/uploads/windows-vs-mac-keyboard.jpg)