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MacBook: How to lock the screen


If you want to protect your information, it is best to know how to lock the screen of your Mac or MacBook when you are not there. This will ensure that no one accesses your Apple computer. 

Have you ever stopped using your Mac to go to the bathroom at your friends’ house and when you returned you found them trolling or snooping through your files?

Locking your Mac will help protect your data and information from anyone who has the intention of snooping into your folders.

If you are able to lock your Mac, you can get up quietly, in the office or at home, go to make yourself a coffee, to the bathroom or to rest for a while, knowing that nobody will be able to use your computer even for a minute!

Read on if you want to stop all snoopers and prevent them from accessing your Mac.

The main steps you will have to follow to lock your Mac:

  1. Go to ‘System Preferences> Security and Privacy> General’.
  2. Activate the ‘Request password’ option .
  3. On your keyboard press the following keys at the same time: ‘Control + Shift + Execute’.

How to lock a Mac: how to activate the option to request a password

Locking your Mac is a useful task, but if you want to 100% protect your information and personal data, we recommend that you activate a password.

Once your password is activated, only you (and anyone who knows the password) will have the option to access your Mac.

To activate the password on your Mac, go to ‘System Preferences> Security and Privacy> General’ , and activate the first option ‘Request password’.  

You can also select the time you want to pass before the password is requested, so if you accidentally lock your Mac, you can quickly activate it again without being asked for a password.


How to quickly lock a Mac with the keyboard

When you have configured the ‘System Preferences’, you can lock your Mac quickly and effectively with the keyboard.

This method is very useful if you want the screen to crash immediately. To do this you will have to simultaneously press the following keys: ‘Control + Shift + Execute’.

To reactivate the screen, simply press any key on the keyboard and then the window will appear asking for the access password (which only you know).

You need to know that when you lock your Mac, the tasks that are running will continue to do so even with the screen locked. In other words, the programs or documents that you have open will not be closed. You will not lose your job.

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How to lock a Mac: put the screen to sleep

Putting the screen of your Mac to sleep works as a form of blocking. To activate this option, go to ‘System Preferences> Desktop and screensavers’.

Select the ‘Screensavers’ tab and click on the ‘Active corners’ option that you will find at the bottom right of the window.

A pop-up window will appear, allowing you to customize the four corners of your Mac to your preferences.

Select one of the options ‘Put the screen to sleep’ and click ‘OK’ to save.

Once the option is activated, each time you direct the mouse pointer to the corner you have selected, the screen will automatically go to sleep, that is, your Mac will be locked and a password will be required to activate the screen again .

As with the previous option, the tasks that you are running just before putting the screen to sleep will continue to be active, which means that you will not lose anything.

How to Lock a Mac: How to Put Your Mac in Hibernate Mode

If you put your Mac in hibernate mode, you should know that unlike the previous options, all the programs you are using at that moment will be closed.

It is therefore convenient that you only carry out this option if you have saved everything you are working on.

To put your Mac into hibernation mode simply press the keys simultaneously: ‘Command + option + eject’.

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