Essentially, Safe Mode disables some macOS features, clears some caches, and prevents some third-party kernel extensions from loading, all of which reduce the amount of work the Mac has to perform to get to the login screen. Safe Mode is a way to troubleshoot some system problems that can keep your Mac from booting normally. This progress bar indicates that Safe Mode is running a directory and disk check on your Mac this is like running First Aid from the Disk Utility. Keep holding down the shift key until the boot progress indicator shows up.

This is very easy to do: simply hold down the shift key on your keyboard as soon as you hear the Mac startup chime. One time-honored trick to recover from a white screen is to boot into Safe Mode. However, if you find yourself a victim, please let us know in the comments section below! Update: Ma– Because the White Screen of Death is a hardware/firmware issue, we are reasonably confident that it will not occur on M1 Macs under adverse startup conditions. In this article, we’ll describe some steps that you can take to recover from the dreaded white screen. There is no Apple logo on this display, nor will you see a progress bar showing where you are in the Mac boot process. You’ll know when you’ve been hit by this bug when you boot up your Mac and see a blank white display. Usually, this rare bug happens after updating macOS to a new version, but it can happen at any time.

This poor MacBook Air is experiencing the “white screen of death”įrom time to time, you may experience one of the more frustrating Mac glitches – a white screen during boot.

Taking apart apple macbook pro a1286