HomeGadgetsFix MacBook Pro Black Lines: Troubleshooting Tips for Clear Screen Display

Fix MacBook Pro Black Lines: Troubleshooting Tips for Clear Screen Display

Troubleshooting Black Lines on MacBook Pro Screen

Are you experiencing black lines on your MacBook Pro’s screen? Don’t worry, you’re not alone. Many MacBook Pro users have encountered this issue, but fortunately, there are several troubleshooting steps you can take to resolve it. In this article, we’ll guide you through the process of fixing black lines on your Mac’s screen, ensuring you can get back to using your device without any visual disturbances.

The MacBook Pro is a powerful and popular laptop used by professionals and enthusiasts alike. However, it’s not immune to technical glitches, and one common problem that users encounter is the appearance of black lines on the screen. These lines can be distracting and may hinder your overall user experience. Let’s delve into the possible causes and solutions for this issue.

Understanding the Issue

Before we dive into the troubleshooting steps, it’s essential to understand why these black lines appear on your MacBook Pro’s screen. In most cases, this problem is related to either software or hardware issues. Software-related causes include outdated operating systems, incompatible applications, or corrupted display drivers. On the other hand, hardware-related causes may involve a faulty graphics card, loose connections, or physical damage to the display.

Causes of MacBook Pro Black Lines on the Screen

To fix the issue effectively, it’s crucial to identify the underlying cause.

  1. Outdated macOS: An outdated operating system can lead to compatibility issues and result in black lines or other visual anomalies.
  2. Incompatible Applications: Certain applications may not be optimized for your MacBook Pro, causing display issues.
  3. Corrupted Display Drivers: If the drivers responsible for the display are corrupted, it can lead to black lines or other display-related problems.
  4. Faulty Graphics Card: A defective graphics card can cause abnormal screen behavior, including black lines.
  5. Loose Connections: Sometimes, loose connections between the display panel and the internal components can result in screen artifacts.
  6. Physical Damage: Accidental drops or impacts can damage the screen, causing black lines or other visual defects.

Troubleshooting Steps

Now that we have a better understanding of the possible causes, let’s explore the troubleshooting steps to fix the black lines on your MacBook Pro’s screen.

Step 1: Check for Software Updates

Ensure that your MacBook Pro is running the latest version of macOS. Go to the Apple menu, click on “System Preferences,” and select “Software Update.” If any updates are available, install them and check if the black lines issue persists.

Step 2: Restart Your MacBook Pro

A simple restart can often resolve minor software glitches. Save your work, close all applications, and click on the Apple menu. Choose the “Restart” option and wait for your MacBook Pro to reboot. Check if the black lines are still present after the restart.

Step 3: Adjust Display Settings

Sometimes, incorrect display settings can lead to visual anomalies. Navigate to the Apple menu, select “System Preferences,” and click on “Displays.” Adjust the resolution, brightness, and other relevant settings to see if it eliminates the black lines.

Step 4: Check for Hardware Issues

If the issue persists, it’s time to check for potential hardware problems. Inspect the connectors between the display panel and the logic board for any signs of damage or looseness. If you notice any issues, consult an authorized Apple service provider for repairs.

Step 5: Reset NVRAM or PRAM

Resetting the non-volatile random-access memory (NVRAM) or parameter random-access memory (PRAM) can often resolve display-related issues. Shut down your MacBook Pro, then turn it back on and immediately press and hold the Command + Option + P + R keys until you hear the startup sound for the second time. Release the keys and check if the black lines disappear.

Step 6: Run Apple Diagnostics or Apple Hardware Test

Apple provides built-in diagnostic tools to identify hardware problems. Restart your MacBook Pro and hold down the D key or Option + D keys during startup to launch Apple Diagnostics or Apple Hardware Test, respectively. Follow the on-screen instructions to perform the tests and determine if any hardware issues are causing the black lines.

Step 7: Seek Professional Assistance

If none of the previous steps resolve the issue, it’s advisable to seek professional assistance. Contact Apple Support or visit an authorized service center to have your MacBook Pro inspected and repaired by trained technicians.

Preventive Measures

To minimize the chances of encountering black lines on your MacBook Pro’s screen in the future, consider the following preventive measures-

  • Keep your macOS up to date to ensure compatibility and bug fixes.
  • Install applications from trusted sources and ensure they are compatible with your MacBook Pro.
  • Handle your laptop with care to avoid accidental damage.
  • Use a protective case or sleeve when transporting your MacBook Pro.
  • Avoid exposing your device to extreme temperatures or moisture.


Experiencing black lines on your MacBook Pro’s screen can be frustrating, but by following the troubleshooting steps outlined in this article, you should be able to resolve the issue. Remember to check for software updates, restart your device, adjust display settings, and inspect for hardware problems. If all else fails, seek professional assistance to get your MacBook Pro back in optimal condition.


Q: Can I fix the black lines issue on my MacBook Pro by reinstalling macOS?

A: Reinstalling macOS can sometimes resolve software-related problems, but it’s recommended to exhaust other troubleshooting steps first.

Q: Will adjusting the display settings affect other aspects of my MacBook Pro’s performance?

A: Adjusting display settings should not significantly impact other aspects of your MacBook Pro’s performance. However, it’s advisable to note down the original settings before making changes.

Q: Are hardware repairs covered under Apple’s warranty?

A: Apple’s warranty covers eligible repairs for hardware issues within the warranty period. Check the specific terms and conditions of your warranty for more information.

Q: Can I perform Apple Diagnostics or Apple Hardware Test on my own?

A: Yes, you can perform these tests on your own by following the instructions provided by Apple. However, if you’re unsure or uncomfortable with the process, it’s best to seek professional assistance.

Q: How often should I update my MacBook Pro’s operating system?

A: It’s recommended to update your MacBook Pro’s operating system whenever new updates are available. Regular updates ensure compatibility, security enhancements, and bug fixes.

Your Favourite



Please enter your comment!
Please enter your name here

Most Popular

Recent Comments