How to Repair Basic MacBook Video Issues

Authored by: Support.com Tech Pro Team

1. Introduction: Mac Video Issues

This guide will walk you through common issues with your Mac's display.

2. macOS: Display Menu Resolution

1. Choose Apple menu > System Preferences.
   

1. Choose Displays.
   

1. Place a dot next to Default for display, or choose a different resolution under Scaled.
   

3. MacOS: Reset NVRAM

NVRAM (nonvolatile random-access memory) is a cache of settings specific to your Mac. Resetting NVRAM is safe, however you will need to reset some of your minor customizations, such as volume, time zone, or screen resolution.

1. From the menu bar across the top of the screen, select the Apple menu (1), then select Shut Down... (2).
   

1. Wait for your computer to shut down, and turn off.
2. Turn your Mac back on by pushing the Power button.
   

1. Immediately push and hold the option, command ⌘, P, and R keys on your keyboard.
   

1. 
   
2. If your Mac plays a startup sound, release the keys after the second time it plays.
3. If there is no startup sound, release the keys after the second time the Apple logo disappears.

4. What's next?

5. macOS: Night Shift

Night Shift is a utility designed to dim your screen at certain times of night to decrease the amount of blue light coming from the screen. This is done to help provide a healthier sleep schedule.

1. Choose Apple menu > System Preferences.
   

1. Select Displays.
   

1. Click Night Shift at the top.
   

1. 
   
2. Here, you can turn off Night Shift under Schedule, or adjust it to your tastes.

6. MacOS: Power Cycle

1. Select the Apple menu, then Shut Down...
   

1. 
   
   
2. Wait for your computer to shut down, and turn off.
3. Wait 10 seconds.
4. Turn your Mac back on by pushing the Power button on the keyboard.
   

7. macOS: Energy Saver

1. Choose Apple menu > System Preferences.
   

1. Choose Energy Saver.
   

1. Drag the slider bar at the top all the way to the right to disable turning off the display.
   

8. Mac: Check Power

1. Connect one end of the power adapter to your wall.
2. Connect the other end to your MacBook Pro.
   

9. MacOS: Reset NVRAM

NVRAM (nonvolatile random-access memory) is a cache of settings specific to your Mac. Resetting NVRAM is safe, however you will need to reset some of your minor customizations, such as volume, time zone, or screen resolution.

1. From the menu bar across the top of the screen, select the Apple menu (1), then select Shut Down... (2).
   

1. Wait for your computer to shut down, and turn off.
2. Turn your Mac back on by pushing the Power button.
   

1. Immediately push and hold the option, command ⌘, P, and R keys on your keyboard.
   

1. 
   
2. If your Mac plays a startup sound, release the keys after the second time it plays.
3. If there is no startup sound, release the keys after the second time the Apple logo disappears.