MacBook Air black screen
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Try to restart in safe mode: https://support.apple.com/en-gb/guide/mac-help/mh21245/mac#:~:text=Turn%20on%20or%20restart%20your,Boot”%20in%20the%20menu%20bar.
Start up your Intel-based Mac in safe mode
- Turn on or restart your Mac, then immediately press and hold the Shift key until you see the login window.
- Log in to your Mac.
- You might be asked to log in again.
- On either the first or second login window, you should see “Safe Boot” in the menu bar.