How Do I Change My Lock Screen Picture on My Mac?

Click theApple iconin the upper left corner of your screen, and selectAbout This Mac.

ClickDisplaysto identify your screens resolution.

About this Mac menu option highlighted on Mac desktop under Apple menu

Open your saved image inPreviewand navigate toTools>Adjust Size.

Adjust the pixelsto match your screens resolution and clickOK.

back up your image asaPNG filenamedcom.apple.desktop.admin.

Mac’s About This Mac box with Displays tab highlighted

OpenFinderand clickGo>Go to Folderin the navigation menu at the top of your screen.

you might also use theCommand + Shift + Gkeyboard combination to openGo to Folder.

Copy and paste/Library/Cachesin the pop-up window and selectGo.

Image in Preview with Tools > Adjust Size highlighted

Drag the picture youve chosen for your new lock screen into the Caches folder and clickReplacewhen prompted.

If you’re not asked to replace the image, preserve your image aslockscreen.png.

The next time you lock your machine, youll see the picture you chose.

Image in Preview with size info highlighted

If this happens, repeat this process to customize the lock screen picture.

How Do I Change My Lock Screen Message on Mac?

Click theApple iconin the upper left corner, and selectSystem Preferences.

Preview Save As dialog with com.apple.desktop.admin and PNG highlighted

Click thelockat the bottom left and punch in in your password to make changes.

Check the box next toShow a message when the screen is lockedand then selectSet Lock Message.

punch in in your desired message and selectOK.

Finder with Go > Go to Folder highlighted

The next time your lock screen appears, youll be greeted by the message you set.

How Do I Disable Lock Screen on Mac?

If this is the case, you might kill the lock screen on Mac.

Go highlighted in the Go to Folder window

Click theApple iconin the upper left corner of the screen, and selectSystem Preferences.

smack the box next toRequire password.

When prompted, clickTurn Off Screen Lock.

Library caches folder with new image and “Replace” highlighted

When your machine wakes back up, youll no longer be greeted by a lock screen.

Instead, you’ve got the option to immediately keep doing what you were busy with before.

FAQ

From the Apple menu, selectSystem Preferences>Desktop & Screen Saver.

Lock screen with customized image

you’re free to chooseNever, or anywhere from 1 to 30 minutes.

To rename the home folder, exit of your account and get in as an administrator.

Go to theUserfolder and rename the user’s home folder.

Apple menu with System Preferences highllighted

Next, rename the account by going to the Apple menu and selectingSystem Preferences>Users & Groups.

Click thelockicon, then enter the admin name and password.

Find the user you want to rename andControl + Clickon the current name.

Mac System Preferences with Security & Privacy highlighted

SelectAccount Options, then change the name to the same name as the home folder.

SelectOK, then power cycle your Mac and enter to the renamed account.

A quick and easy way to lock your Mac screen: Select theApple menu, then clickLock Screen.

Password field highlighted in Privacy & Security changes

To instantly revert to the lock screen using a key command, pressCTRL + CMD + Q.

Mac Privacy & Security settings with “Show a message when the screen is locked” and “Set Lock Message” highlighted

Lock Screen Message highlighted in Privacy & Security settings

Customized lock message and screen on MacBook

Apple menu with System Preferences highlighted

Security & Privacy settings with Require Password highlighted

Turn off Screen Lock highlighted in Privacy & Security settings