macOS BOOTHigh

Mac won't turn on after update or reboot

Mac won't start after an update or reboot. Most often, the cause is a failure of the boot disk, incorrect configuration, or firmware issues.

Updated at February 11, 2026
15-30 min
high
FixPedia Team
Применимо к:macOS MontereymacOS VenturamacOS Sonoma

If your Mac won't turn on, it may be stuck on the Apple logo or show a black screen. The main reasons are a failure of the boot disk, incorrect settings, or firmware issues.

Below are quick fixes.


Method 1: Force Restart

  • For Intel Macs: hold Power for 10 seconds until it turns off, then turn it back on
  • For Apple Silicon Macs: hold Power until the boot menu appears

Method 2: Boot in Safe Mode

  • Intel: Shift while turning on
  • Apple Silicon: hold Power, then select Options → Continue in Safe Mode
  • Safe Mode disables third-party extensions and checks the disk

Method 3: Restore macOS via Recovery

  1. Restart your Mac in Recovery Mode (Cmd + R / Power → Options)
  2. Select Reinstall macOS
  3. The system will install a fresh version without deleting data

Method 4: Check Disk via Disk Utility

  • In Recovery Mode, open Disk Utility
  • Select the boot disk → First Aid
  • Fix any found errors

Additional Reasons

  • SSD/HDD damage
  • Incorrect macOS updates
  • Firmware failure or PRAM/NVRAM issues

Conclusion

Safe Mode and Recovery restore are often the most helpful. If your Mac continues to fail to boot, a hardware issue is likely.

Did this article help you solve the problem?

FixPedia

Free encyclopedia for fixing errors. Step-by-step guides for Windows, Linux, macOS and more.

© 2026 FixPedia. All materials are available for free.

Made with for the community