How to Change Screen Timeout on Mac?

Set Your Mac's Screen to Lock Automatically

From the Apple menu , choose System Preferences. Click Desktop & Screen Saver. Click Screen Saver, and then use the slider to choose 15 minutes or less.

How do I Change Inactivity Timeout on Mac?

Choose System Preferences from the Apple menu, then click Energy Saver. Use the slider to choose the time of inactivity. If you set your display to turn off before the screen saver starts, the screen saver wont start after a period of inactivity.

How do I Stop my Mac Screen from Going Black?

The first way to stop your Mac from going to sleep by itself is obviously to turn off auto displaysleep in the system preferences. To do this open the system preferences, click on the "Energy saver" panel and drag the "Display sleep" slider all the way across to "never" on the righthand side.

How do I Stop my Mac from Locking?

Click the Apple icon in the topleft corner of the screen and select "System Preferences." ...
Select "Security and Privacy." ...
Untick the box labeled "Requires Password." ...
Enter your Macs password in the popup window.
Confirm your choice by clicking "Turn off screen lock."

How do I Get Rid of Screen Timeout on Mac?

Open the Apple menu.
Then select System Preferences.
Next, select Energy Saver .
Tick the box next to Prevent computer from sleeping automatically when the display is off.
Then untick the box next to Put hard disks to sleep when possible.