Click the Apple menu in the top left corner of your screen.Wait a few seconds, then press the power button to start your computer. On laptops that include the T2 chip, after shutting down the computer, press and hold the power button for 10 seconds before releasing it.
Turn your Mac back on after five seconds. On desktop Macs, disconnect the power cord and wait 15 seconds before plugging it back in.To get started, shut down your Mac, then following the directions based on the type of machine you have: Reset the System Management Controller (SMC):Īgain, this is only a possible solution on Intel-based Macs since Apple silicon versions don't have SMC. Release the Shift key when you see the login window. If you dont see the Apple logo, learn what to do. To start up in safe mode: Start or restart your Mac, then immediately press and hold the Shift key. If this resolves your issue, you might have to go back into System Preferences to adjust volume and display resolution settings. A Safe Mode boot deletes system caches that can help after a macOS upgrade. You'll probably need to use both hands to perform this task. When starting up your Mac, immediately press and hold the Command-Option-P-R keys on your keyboard.The following steps don't work on Apple silicon-based machines since the machine's NVRAM is automatically reset during the start process when needed. To fix common Mac problems on Intel-based Macs only, you can reset the NVRAM to see if this resolves the problem. Is there power in the rest of your home? If you're using a MacBook Air or MacBook Pro, does the machine start with a power cord but not on the battery? Then you've discovered the problem. While your Mac starts, press and hold the Shift key. Heres what you can follow: Click the Apple icon in the top-left corner on your Mac and select 'Shut Down'. If your Mac gets stuck during the macOS Big Sur installation, then you can try to reboot your Mac in Safe Mode and resolve the problem. You should also make sure the power cord is connected, regardless of the Mac version. Solution 2: Reboot your Mac in Safe Mode. In the left-hand menu, select your startup drive. Try to start it again by pushing the power button. If you do have to resort to force-quitting your Mac, then once it’s up and running again you should use Disk Utility to check for any damage: Navigate to ‘Applications > Utilities > Disk Utility.’.