[Free] How to Fix Black Lines on MacBook Pro’s Screen?

MacBooks are premium devices, and we chose them because they’re great and ultimately reliable. So the MacBook Pro bottom screen problem can be a disturbing experience indeed. The thought of repair costs sends chills down our spines.

But the good news is that there are many different solutions for lines on the MacBook screen that you can try and see if it works. Depending on the color and orientation of the black lines on the MacBook screen, let’s explore the tested solutions in this article.

Why are there black lines on my MacBook screen?

Usually, there are several reasons why MacBook Pro has black stripes on the bottom screen, such as:

• Heat Issues – If you work on your MacBook on your lap rather than on a hard desk, it’s not ventilated enough. Thermal issues can cause black lines at the bottom of the MacBook Pro screen, and the more you use it, the stronger it gets. It is possible that dust accumulated on your fan causes overheating.
• Physical Damage – You may have accidentally bumped your MacBook’s screens as they are fragile even though they are much sturdier than other laptops.
• GPU – If your drivers are corrupted or older, the monitor output will not display correctly, causing the bottom screen of the MacBook Pro to have black lines.
• Software issue – There is a conflict in your Power management software or drivers that are not working and may need to be reinstalled.

Is there any solution to fix MacBook Pro Black Lines under the screen?

Yes, there is a solution to fix horizontal lines on the MacBook Pro screen, but it can be expensive as you may need to replace the display assembly. Your T-CON board may have problems and you also run the risk of having to replace it. But we recommend that you try the methods mentioned below to solve the bottom screen of your MacBook Pro before resorting to this expensive solution.

If the problem is heating up, turn off your MacBook and let it cool overnight. If the problem doesn’t return after using it for a few hours, then you’re safe and don’t need to worry about “MacBook Pro bottom screen with black lines”.

Sometimes the problem is just a dumped cache, and all you need to solve your MacBook Pro bottom screen problem is to restart your Mac. Have you tried rebooting? Does it solve the problem?

While there are many resolutions for lines on the MacBook screen, the best way is to use a 3rd party tool to fix most problems with the Tenorshare ReiBoot tool. It can help you fix software problems, reinstall macOS to resolve software conflicts, downgrade your MacOS, etc.

Tenorshare is special software that allows you to enter recovery mode quickly and has free repair features for your Mac, such as fix Mac stuck Apple logo, Black screen, screen freezes and other operating system related problems. It supports all operating system versions. So follow this guide to fix MacBook Pro bottom screen issues in simple and time-saving steps.

1. Download the tool from the official website and install it.
   

2. Make sure you have a stable connection.
3. Choose repair options and we recommend using Standard Repair first.
   

4. Follow the instructions on the next screen after choosing your MacBook model.
5. You must download the latest firmware package when entering DFU mode. Once downloaded, click Standard Repair to begin the process.
   

6. This process will take some time, so wait for it to repair your MacBook. Once done, the system will reboot.
   

7. After restarting, the black lines on the MacBook screen should be fixed.

Confirm the charging cable is connected properly, or if you are using an external display, check that the cable is connected. Sometimes, black lines at the bottom of the MacBook Pro’s screen can be caused by a faulty cable. Try another cable to see if it solves the problem.

The easiest way to run a maintenance script on your Mac is to use the Terminal app for the black lines at the bottom of the MacBook Pro screen. If you have it enabled in settings, it will do it periodically, you can do this by typing “sudo recurring daily weekly monthly”. However, you need to open the Terminal app by accessing the utilities, which you can find in the Applications folder accessed from Finder.

MacBooks with dual video cards can cause the bottom screen of the MacBook Pro to have black stripes when switching between the integrated GPU and the dedicated GPU. You can disable the feature entirely by going to System Preferences from the Apple Menu and unchecking it, as shown in the image below.

Corrupt files in any of these files may disrupt optimal system operation and may cause horizontal lines on the MacBook Pro screen; you can reset them as needed. SMC or System Management Control can be reset by turning off, removing all accessories and power cords, and turning on your MacBook after 10-15 minutes.

If you want to reset the PRAM, hold the Command, Option, P, and R buttons together until you hear the correct Apple startup sound.

Over time and cache compilation, there may be bugs in your macOS. This error can only be resolved by upgrading to the latest OS or launching it. You can see the latest upgrade in the Software Update menu. You can get there from the Apple Menu and then select System Preferences. Most of the time, this can effectively solve your MacBook Pro bottom screen issues.

What is your best option for screen repair under MacBook Pro Black Lines?

Now you know various methods to solve the problem and finally get the answer and solution for “Why is there a line on my MacBook screen”. Most of these steps and solutions are simple, but Tenorshare ReiBoot is the best thanks to its professional solution, as it does everything for you. Remember to visit the main page and see all their features.

Categories: Technology
Source: SCHOOL TRANG DAI