How to lock a Mac: 3 Ways to Lock or Sleep Your Screen in MacOS

How to lock a Mac
If you’re here to know how to lock Mac, you are at the right place. Locking or sleeping your Mac’s display can be a considerable security measure when paired with a user account password, and we know why it so. It is a quick and easy way to prevent people from getting access to your data.


Let me ask you something before I tell you how to lock a Mac screen, and that is, do you know how to make the distinction between locking your display and just putting it to sleep.

Well, I ‘ll tell you if you don’t know what exactly the difference is. If you leave your system for some time and don’t close the running programs, and lock your Mac, you’ll put it to sleep automatically and need to type in your login password on your Mac’s lock screen to unlock it. If you put it to sleep, you won’t necessarily lock it.

Well, there are several different ways to lock or sleep your screen in macOS.

Wait! You need to know something more before knowing the lock Mac screen guide.

You need to set up the password in System Preferences. Here’s how to do that.

How to Set Up a Password to Lock the Screen in MacOS

Make sure your Mac is configured to ask for a password every time you wake the computer up from sleep.

Follow these steps to set up a password:

Step 1: From the Apple menu, select System Preferences.

Step 2: Choose Security & Privacy.

Step 3: Go to the General tab.

Step 4: Check the box next to Require password.

How to Set Up a Password to Lock the Screen in MacOS

Step 5: Set a time interval for when the password is required – the next option is recommended.

Now, whenever your Mac goes to sleep, or you lock Mac screen, and you’ll have to authenticate with your user password, Apple Watch or TouchID to gain access.

How to Lock Mac or Sleep your Screen {Easy Ways}

#1. Use Apple Menu

Step 1: Go to the Apple menu at the top left of your screen.

Step 2: Now from the dropdown menu, choose Lock Screen to lock the Mac screen.

Use Apple Menu to Lock MacOs

The screen will be locked instantly, and Mac will require a password to log in and regain access.

The Lock Screen feature does not quit any applications, and it also won’t start a screen saver right away. It only locks the Mac and requires the user name and user password to regain entry to the system.

#2. Lock Screen Via Mac Sleep Shortcut

If you’re using a Mac that’s running macOS Catalina, hit Command + Control + Q to activate Lock Screen on the Mac. This Mac lock screen shortcut saves your time.

Lock Screen Via Mac Sleep Shortcut

For older versions, press Control+Shift+Power button. It will lock the screen.

You can also use a keyboard shortcut to put your Mac to sleep. For this, press Command+Option+Power. This way you lock your Mac, powers down the hard drive, and puts the CPU into low power mode and stops background tasks to save energy.

#3. Use Hot Corners

Hot Corners on MacOS takes little time to set up and, once configured, lets you lock Mac without any hassle. This feature is exciting. This functionality in Mac enables you to designate a specific corner of your screen and every time you drag a cursor there it acts as a “Mac lock screen” command.

You can use one of the four corners as a sleep or lock shortcut on your Mac. To set it up:

Step 1: Choose System Preferences from the Apple menu.

Step 2: Click Desktop and Screen Saver.

Step 3: Click the Screen Saver tab.

Step 4: Click the Hot Corners button at the bottom right of the window.

Step 5: Choose a corner from the drop-down window.

how to lock screen on mac using hot corners

Step 6: You can either choose Start Screen Saver or Put Display to Sleep from the menu.

Now when you move the pointer to that specified corner, your screen saver will begin, or your MacOS will go in sleep mode.

Final Words

Now when you know how to lock Mac or how to lock screen on Mac, you can lock or sleep your system without quitting the running applications. You only have to provide with your user password to gain access.

All these methods are handy and easy to perform. If you face any problem, let us know in the comment section below.