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I have accidentally deleted my operating system?

What do I do

MacBook Pro with Touch Bar

Posted on Jan 17, 2022 11:02 AM

Reply
Question marked as Top-ranking reply

Posted on Jan 17, 2022 11:05 AM

Try the following helpful steps:


  1. Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off.
  2. Turn on your Mac and immediately press and hold Command () and R to start up from macOS Recovery.
  3. While in macOS Recovery, use Disk Utility to repair your startup disk.
  4. If Disk Utility found no errors or repaired all errors, reinstall macOS.
  5. If you still need help, please contact Apple Support. 
2 replies
Question marked as Top-ranking reply

Jan 17, 2022 11:05 AM in response to linea_1

Try the following helpful steps:


  1. Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off.
  2. Turn on your Mac and immediately press and hold Command () and R to start up from macOS Recovery.
  3. While in macOS Recovery, use Disk Utility to repair your startup disk.
  4. If Disk Utility found no errors or repaired all errors, reinstall macOS.
  5. If you still need help, please contact Apple Support. 

I have accidentally deleted my operating system?

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