Apple Intelligence is now available on iPhone, iPad, and Mac!

📢 Newsroom Update

Apple unveils the new iMac with M4, supercharged by Apple Intelligence and available in fresh colors. Learn more >

📢 Newsroom Update

Apple introduces M4 Pro and M4 Max. Learn more >

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Flashing question mark on screen

I have switched my Apple Mac on but there is a flashing question mark on the screen that won’t go away and my Mac won’t turn on?

iPhone XS, iOS 13

Posted on Dec 16, 2019 2:39 AM

Reply
9 replies

Dec 16, 2019 4:24 AM in response to Sjy27

Learn more about these key combinations.

Start up from macOS Recovery

To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.

  • Command (⌘)-R

Reinstall the latest macOS that was installed on your Mac (recommended).


  • Option-⌘-R

Upgrade to the latest macOS that is compatible with your Mac.


  • Shift-Option-⌘-R

Reinstall the macOS that came with your Mac, or the closest version still available.



  • i had this flashing question mark and reinstalled MacOS using these instructions:  macOS Recovery.

I used Command (⌘)-R





Flashing question mark on screen

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.