Macbook Black Screen Problem, Causes and How to Fix it?
Have you ever had or are facing the error of MacBook turning off the screen by itself ? This is one of the errors that affects the usage process because the system software is suddenly turned off at any time without you even knowing it. Therefore, the only way to fix the MacBook for this condition is that you may need to replace the screen with a new one. However, you can’t rush to do it when you don’t understand the cause?
The reason why the MacBook turns off the screen by itself
In case the MacBook screen turns off automatically without any reason why this problem is happening to you, most devices are experiencing many different causes.
First, the main reason for the MacBook to turn off the screen by itself is because the machine temperature is too hot. When the CPU part is overworked, the computer starts to check the CPU’s temperature, which can automatically shut down the entire system when the device temperature rises.
Therefore, the MacBook has to automatically disconnect all components when the temperature rises too high in general and the MacBook automatically turns off the screen in particular.
Another reason why the MacBook does not turn on the screen, suddenly turns off the screen by itself is caused by viruses, malicious spyware, unstable power supply, hard drive RAM, too full capacity, etc.
All of this will make the device run too many programs at once, heat up, drain power faster, and cause the MacBook to turn off the screen on its own.
Instructions on how to handle when the MacBook turns off the screen by itself
Once you’ve figured out what’s causing this discomfort, you’ll need to find a way to fix it and deal with it. Each device version can turn off the MacBook Air and MacBook Pro screen auto-off mode. So, here are ways to fix the MacBook screen turning off by itself.
For new MacBook Pro/Air
For some newer models with built-in batteries for MacBook Pro and Air, here are some steps to follow:
- Power off the MacBook device => Connect the machine to the MagSafe charger accessory with the head attached to the electrical outlet.
- Use and hold Shift + Control + Option + Power (Power button) for a few seconds.
- Release the key combination and you can check if there is still an error that the MacBook automatically turns off the screen.
For older MacBook Pro/Air models
Some steps to fix errors for older versions of MacBook Pro and Air are as follows:
- Turn off the MacBook screen auto-lock mode by Powering off the MacBook device, then completely disconnecting the connection wires.
- Press and hold the Power button of your MacBook device for about 5 seconds, then release.
- Reinsert the computer connection wires and check again to see if there is still the error that the MacBook automatically turns off the screen.
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For MacBook with removable battery
MacBook lines with removable batteries will have a different approach than those with seamless batteries. Therefore, the way to fix the error is as follows:
- Turn off the MacBook, remove the battery pack from the machine.
- Disconnect all cables and the power adapter, then press and hold the Power button for 10 seconds.
- Release the Power button, put the battery back in, connect all the charging cables and chargers to turn the device back on as usual.
If these simple steps still don’t fix your MacBook’s screen turning off on its own, try another repair method. That is to use the way to turn off the MacBook screen auto-off mode via Black Display on the macOS operating system you are using. To resolve the problem, please perform the following method:
- Press the Power button once to turn the display off temporarily and help display dialog boxes.
- Press the “S” button to put the device into Sleep mode.
- Hold down the Power button until the computer is completely turned off.
- Wait about 15 seconds after that and press the Power button again to restart the computer.
- Check if the machine still has an error that the MacBook automatically turns off the screen or not.
How to fix when the above methods do not work
It is possible that the above methods will still not be effective, unable to manage or control the automatic shutdown time of the MacBook screen. Therefore, the only way for you to fix your MacBook’s screen off error as quickly as possible is to bring it to a reputable repair center.
Read Also: How to Fix MacBook Overheating Problem Step by Step
What to do to prevent the MacBook from turning off the screen by itself?
Monitor battery health on MacBook
Every MacBook device has a different lifespan based on the charging cycle. So, if the MacBook is constantly turning off the screen, it may have passed the battery cycle limit and need to replace the new MacBook battery.
To see the MacBook’s battery charge cycle, go to the Apple logo section => Select About This Mac => Select System Report. After that, a new window appears but pay attention to the menu on the left, clicking on the Hardware section will help display the Power item.
Here, you will see a subsection of “Battery Information” for information about battery capacity and current battery charge cycles. Most MacBooks will have a charge cycle of up to 1000 times or sometimes up to 1500 times depending on the user’s care. Therefore, the MacBook screen is off error will be related to this problem.
Check to see which applications and software use the most battery
The habit of using less, charging less will help you increase MacBook battery life as well as provide more stable performance.
However, many applications that start up and check many things at the same time will make the CPU work more, take up more battery power and create a number of causes related to the MacBook turning off the screen on its own.
A simple way to help you check which apps are taking up the most battery percentage, just click on the battery icon in the top right corner menu bar. From here, you can see which apps are active and taking up the most battery.
Another way to fix the error that MacBook automatically turns off the screen through which applications are consuming power, can be checked through Activity Monitor. This feature will display a series of lists of applications that are starting or running in the background but are taking up the device’s CPU.
To open Activity Monitor, go to Applications => Select Utilities => Select Activity Monitor. Thoroughly check which applications are taking up the most battery and CPU to effectively handle MacBook errors that turn off the screen.
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Battery saving measures
A simple, quick tip for you to save battery life is to go to the settings check in the System Preferences section. For proper default settings, you can choose Restore Defaults of the Battery window to reset the factory settings to bring the device back to the default state it was in when you first bought it.
With this tip, you can use the correct battery for the machine’s power capacity and better fix the situation where the MacBook automatically turns off the screen. Note: Please back up important data before doing this.
Install, set up battery for MacBook
You’ll need to tune and reset your MacBook’s battery once a month. Apple states that all MacBooks released since the second half of 2009 are pre-calibrated and require no calibration.
However, if you understand manual battery adjustment, it will be a pretty good way to monitor MacBook battery status. If the device’s battery is not properly adjusted, it will easily cause the MacBook to turn off the screen or adjust the time to automatically turn off the MacBook screen in Sleep mode without any notification.
Therefore, if you adjust the battery properly, it will help to display the remaining battery power report more accurately without worrying about the virtual battery.
Note: Please back up important data before doing this.
Support from 3rd party tools
The method to limit the occurrence of the MacBook screen turning off by itself is to use a 3rd party tool to support this problem. The free tool Battery Health will be what you are looking for to check the battery health of your computer.
Battery Health is a great application for MacBooks that displays the number of charges, explains the results in easy-to-understand terms so you can manage device temperature, usage capacity, charging time… Most importantly It also lets you know how long the device will last.
Therefore, Battery Health will be a support friend, the best companion to help control the battery and reduce the rate of MacBook turning off the screen on its own.
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Summary
Those are all the causes, fixes and general tips for MacBook screen turning off by itself. If you can’t fix this situation, write to us in the comments section below.
