Many different reasons can cause computer screen flickering, with some of the reasons proving to be a result of minor technicalities. However, when the screen flickers on MacBook Pro and MacBook air, you should understand what to do.
Here, we need to know the prime causes of Macbook screen flickering issue, and everything you need to understand.
Causes of Screen Flickering
There are four common causes of screen flickering on MacBook Air and MacBook Pro.
Malfunctioned energy saver
When there is an issue with the power saver, both the MacBook Pro screen and the MacBook Air screen will twinkle on certain occasions.
To change the energy saver options, you need to follow the below steps
- Navigate to the Apple menu located at the top left corner of the screen.
- Go to System Preference
- Click Energy Saver and choose either the UPS pane or the Power Adapter pane.
- Select the best energy saving option available
Go to system preference and disable the automatic graphic switching.The graphic switching between one pane to the other is a significant contributor to screen flickering on both the MacBook Pro and MacBook Air.
A misbehaving NVRAM can also be another cause of MacBook flickering. The NVRAM stores data related to screen resolution, volume, time settings, and startup timing.
When there are incorrect settings, your MacBook Pro and MacBook Air will flicker. So, you should reset the NVRAM to resolve this issue.
- Turn off your Mac
- Turn it On and simultaneously press the option key + Command key + Letter P + letter R
- Release the key after approximately 20 seconds
Resetting your Mac’s SMC
SMC stands for system management controller. This is a chip that controls the basic functionalities of the Intel architecture.
Resetting the SMC can help resolve crucial problemsrelated to the battery& thermal management and basic display power functionalities (like closing and opening of the computer lid)
Here are the steps to follow to reset the SMC
- Shut down your device
- Remove the battery
- Press the power button. But, hold it down for approximately 10 seconds
- Now, release the power button
- Replace the battery and press the power button once to boot your device
Three Quick Fix solutions
If the above-discussed three troubleshooting approaches do not help solve the problem, you can try the following quick-fix solutions.
1. Update the OS
Updating the macOS can help eliminate any issue concerning MacBook Air and MacBook Pro misbehaviour.
Go to go to System Preferences, click the Software Update and check whether there is an update. Click “Update” and install to continue.
2. Fix in safe mode
With a mac, the safe mode can be an alternative to solving the flickering problem.
The safe mode can help fix OS issues including, How to Fix MacBook Pro Not Detecting External Display and How to Fix a MacBook Flashing File Folder with a Question Mark at Startup.
Step-by-Step Procedure to Boot MacBook Pro and MacBook Air in Safe Mode
- Shut down the device via the Apple menu located on the top left corner
- Press the power button to turn the computer ON
- Before the computer boots, press the shift key for a few seconds (between 8-15 mins) until you see a grey logo.
- Now, release the shift key
- Your MacBook will boot in SAFE MODE.
- Enter your password and log in
Note:If the screen flickering problem is resolved, you can exit the safe mode by either restarting your computer or shutting down and turning it ON again (after a few seconds).
In case you are having problems loading your mac in safe mode, visit this GUIDE for more assistance.
3. Remove Recently Installed Apps
If you recently installed Windows-based apps on your MacBook Pro or MacBook Air, it could be the reason why it is flickering at times.
To remove either Firefox or Internet Explorer, you should follow the below two steps.
- Navigate to the Applications Folder
- Choose the Appthat you no longer prefer and drag it to the trash
If all the above procedures will not resolve the issue, then your device might be having a hardware problem, and you will need to visit Apple’s repair shop or the manufacture for a more technical approach.