Your password is required to start using the computer again. Move your mouse to the corner you set up as your Hot Corner. If you've set up a Hot Corner using the previous procedure, you can use this procedure to lock your screen without waiting for the screen saver to start.
Next, set up a Hot Corner so you can quickly activate the screen saver when you leave your computer.Ĭlick Screen Saver, and then click Hot Corners.Ĭlick the list next to the corner of the screen you want to use as a hot corner and select Start Screen Saver, and then click OK. Press F2 for few seconds to ensure that your screen brightness is turned on completely. Make sure the Screen Brightness is turned up. Try to use the following methods one by one in the order given below to fix the issue of black screen on Mac. How to Set Up a Hot Corner to Lock Your Screen Manually Methods to fix a black screen on wake from sleep on Mac. When your computer has been inactive for the set interval, the screen saver starts. How to Set Your Computer to Lock Your Screen Automaticallyįrom the Apple menu, choose System Preferences.Ĭlick Screen Saver, and then use the slider to choose 15 minutes (or less).Ĭlick Show All to go back to the main System Preferences window.Ĭlick Security, and then click Require password to wake this computer from sleep or screen saver. You can also lock your screen manually using a Hot Corner.
You should set up a screen saver that will start after your computer has been idle for a set interval (15 minutes or less). If you still see a blank screen after about 20 seconds, contact Apple Support. Press and release the power button, then immediately press and hold Command ()-R until you see an Apple logo or other image. When you leave your computer, it’s best to start a screen saver that can only be turned off with a password. How to turn on mac when screen is black Press and hold the power button for about 10 seconds.
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