This article explains how to restart a Mac in safe mode. This is a useful mode of operation for diagnosing and resolving operating system or hardware problems, as it disables the execution of all non-essential programs and unnecessary system services. This mode is also useful for changing advanced system settings that cannot be changed during normal operating mode.
Steps
Step 1. Restart your Mac
If your computer is currently on, you will need to restart it first in order to enter safe mode. Access the "Apple" menu by clicking on the icon
click on the option Restart …, then click the button again Restart when required.
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If your Mac is already off, press the "Power" button
Windowspower to start it (or the corresponding button).
Step 2. Hold down the ⇧ Shift key on your keyboard
As soon as your Mac starts booting, press the ⇧ Shift key without releasing it.
If you are using a Bluetooth keyboard, be sure to press the ⇧ Shift key right after you hear the beep that indicates the Mac is starting up (or right after the Apple logo appears on the screen)
Step 3. Wait for the login screen to appear
It should appear after 1-2 minutes.
Step 4. Release the ⇧ Shift key
When the Mac login screen appears, Safe Mode should be active, so you can release the ⇧ Shift key.
Step 5. Log in to the Mac
Select your account, then type the corresponding security password.
If the "FileVault" feature is enabled on your Mac, you will need to log in first to unlock the startup disk
Step 6. Resolve the problem for which you have decided to use safe mode
If the issue is with the Mac startup phase or a generic function, check to see if it also shows up in safe mode. If not, it is very likely that the cause of the problem is a malfunctioning program.
Unfortunately, if the problem also occurs in safe mode, it is very likely that the cause is a hardware component of the Mac or the operating system
Step 7. Disable programs that run automatically when your Mac starts up.
While Safe Mode is active, delete any programs that are problematic or that require heavy use of system hardware resources from the list of applications that run automatically when your Mac starts up. This will make your computer start up faster.
When safe mode is on, you are also able to uninstall any problematic applications, such as third-party antivirus programs or any software that you can't remove normally
Step 8. Restart your Mac to exit safe mode
When you're done using your Mac in safe mode, go to the menu Apple by clicking on the icon
and click on the item Restart …, then follow the instructions that will appear on the screen. The Mac will restart in normal mode.
