05/07/2023
If you’re seeing a flashing question mark on your Mac's screen, it means your computer can't find its startup disk. This can be caused by a number of issues, including corrupted system files, missing boot information, or an outdated version of macOS. Luckily, there are some simple steps you can take to try and fix the problem yourself without having to bring your Mac in for repairs.
Mac
If you’re seeing a flashing question mark on your Mac’s screen, it means your computer can’t find its startup