Now press and hold the Option key and press the Power button.
If your Mac won’t boot in Safe Mode, you can resolve the problem simply by using the Option key. Fix 1: Resolve the ‘Mac won’t start in Safe Mode’ Issue using the Option Key If your Mac doesn’t respond to your command for Safe Mode and boots into Normal Mode or hangs with no response at all, follow the given methods to fix the problem. What to do if Mac won’t start in Safe Mode? Also, check if your keyboard has sufficient charge available. Quick Tip: If you are using a wireless keyboard, make sure that you press and hold the Shift key immediately after hearing the startup chime and not before that. The OS does so to provide optimum performance with the existing system configuration in Safe Mode. The third-party apps, non-essential native apps, fonts not installed by macOS, system extensions not necessary for macOS, etc., are not started. When your Mac is booted up into Safe Mode, it initializes only those programs and apps that are native to Apple and deemed necessary for the operation of Mac. Safe Mode is a restricted environment where the OS uses the essential resources necessary to run the system.
When you try to boot Mac in Safe Mode, it simply boots in normal mode or freezes without booting at all. However, there are instances when your Mac won’t start in Safe Mode. If your Mac is facing issues, you can determine the causes behind it by booting it into Safe Mode. Recover Data from Frozen/Non-booting/Crashed Mac.Fix 4: Shut Down your Mac and Reboot to Safe Mode.