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How to Fix Video Issues with a Mac

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Support.com Tech Pro Team
This Guided Path® was written and reviewed by Support.com’s Tech Pro team. With decades of experience, our Tech Pros are passionate about making technology work for you. We love feedback! Let us know what you think about this Guided Path® by rating it at the end.
This guide will walk you through common issues with your Mac's display.

? What video issues are you having?

  1. Stretched, squished, fuzzy
  2. Display dim or colors are off
  3. Display keeps shutting off
  4. No Display

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This guide will walk you through common issues with your Mac's display.
  1. Choose Apple menu > System Preferences.
    Apple menu with system preferences highlighted
  2. Choose Displays.
    system preferences with displays highlighted
  3. Place a dot next to Default for display, or choose a different resolution under Scaled.
    Display preferences with resolution highlighted

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).
    Apple menu icon highlighted with menu beneath highlighting the shut down option.
  2. Wait for your computer to shut down, and turn off.
  3. Turn your Mac back on by pushing the Power button.
    Macbook power button highlighted on the keyboard.
  4. Immediately push and hold the option, command ⌘, P, and R keys on your keyboard.
    option keyPluscommand keyPlusP KeyPlusR Key
    • If your Mac plays a startup sound, release the keys after the second time it plays.
    • If there is no startup sound, release the keys after the second time the Apple logo disappears.

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.
    apple menu with system preferences highlighted
  2. Select Displays.
    system preferences with displays highlighted
  3. Click Night Shift at the top.
    Night Shift preferences
  4. Here, you can turn off Night Shift under Schedule, or adjust it to your tastes.
  1. Select the Apple menu, then Shut Down...
    Apple menu with shut down highlighted

  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.
    Mac Keyboard with Power button highlighted

  1. Choose Apple menu > System Preferences.
    apple menu with system Preferences highlighted
  2. Choose Energy Saver.
    System Preferences with energy saver highlighted
  3. Drag the slider bar at the top all the way to the right to disable turning off the display.
    Energy Saver Preferences
  1. Connect one end of the power adapter to your wall.
  2. Connect the other end to your MacBook Pro.
    diagram of connecting power to laptop

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).
    Apple menu icon highlighted with menu beneath highlighting the shut down option.
  2. Wait for your computer to shut down, and turn off.
  3. Turn your Mac back on by pushing the Power button.
    Macbook power button highlighted on the keyboard.
  4. Immediately push and hold the option, command ⌘, P, and R keys on your keyboard.
    option keyPluscommand keyPlusP KeyPlusR Key
    • If your Mac plays a startup sound, release the keys after the second time it plays.
    • If there is no startup sound, release the keys after the second time the Apple logo disappears.