How to Lock a Mac Computer

Step-by-Step Guide

1. 1

   Step 1: Open the Apple Menu.

   Do so by clicking on the apple icon in the upper-left corner of the screen. , It's near the top of the drop-down menu. , It's a vault icon near the top of the dialog box. , It's a tab at the top of the dialog box., It's in the lower-left corner of the dialog box., If you haven't set a password for your Mac, follow these instructions to do so., It's near the top of the dialog box., , It's the first option in the drop-down menu. , It's in the upper-left corner of screen., It's near the bottom of the drop-down menu.
   
   Your Mac will go to sleep and you'll have to enter your password to access it again.
   
   You'll also have to log-in with your password anytime you power on or restart your Mac. , Do so by clicking on the dark and light blue, square icon that contains a smiley face, or by clicking on the background image on your desktop., It's in the menu bar at the top-left part of the screen., It's near the bottom of the drop-down menu., It's next to a keychain icon. , It's in the menu bar in the top-left corner of the screen., It's near the top of the drop-down menu., It's a tab at the top of the dialog box., It's near the top of the dialog box.
   
   A padlock icon will appear on the right side of the menu bar at the top of the screen. , It's on the right side of the menu bar at the top of the screen., It's at the top of the drop-down menu.
   
   The screen will go to sleep, and you'll have to enter your log-in password to access your Mac.
   
   Use this shortcut anytime you want to quickly lock your Mac.
2. 2

   Step 2: Click on System Preferences.

3. 3

   Step 3: Click on Security & Privacy.

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   Step 4: Click on General.

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   Step 5: Click the padlock icon.

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   Step 6: Enter an admin username and password.

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   Step 7: Check "Require password."

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   Step 8: Click on the drop-down menu next to "Require password."

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   Step 9: Click on immediately.

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    Step 10: Click on the Apple Menu.

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    Step 11: Click on Sleep.

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    Step 12: Go to Finder.

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    Step 13: Click on Go.

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    Step 14: Click on Utilities.

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    Step 15: Scroll down and double-click on Keychain Access.

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    Step 16: Click on Keychain Access.

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    Step 17: Click on Preferences.

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    Step 18: Click on General.

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    Step 19: Check "Show keychain status in menu bar."

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    Step 20: Click on the padlock icon.

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    Step 21: Click on Lock Screen.

Detailed Guide

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