Introduction
MacBook screen flickering is a common issue that many users face. It can be extremely frustrating and distracting, making it difficult to use your device effectively. This comprehensive guide will help you understand the causes of screen flickering and provide step-by-step solutions to fix the problem for good. Let’s dive in!
Causes of MacBook Screen Flickering
Screen flickering on a MacBook can be caused by various factors, such as hardware issues, software glitches, or incorrect settings. Some of the most common causes include:
- Faulty integrated graphics processor
- Flexgate issue (display cable tension)
- Battery errors
- Screen damage
- Incompatible or outdated software
Solutions to Fix MacBook Screen Flickering
Restart Your MacBook
A simple restart can often resolve minor glitches, including screen flickering. Save your work, close all open applications, and restart your MacBook to see if the issue persists.
Update macOS
Outdated software can sometimes cause screen flickering. To update your macOS, go to System Preferences > Software Update and follow the on-screen instructions.
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Adjust Energy Saver Settings
Energy Saver settings can cause screen flickering when working improperly. To adjust these settings, go to System Preferences > Energy Saver and experiment with different settings to see if the issue is resolved.
Disable Automatic Graphics Switching
Automatic graphics switching can cause screen flickering if it isn’t working correctly. To disable it, go to System Preferences > Energy Saver and uncheck the box next to “Automatic graphics switching.”
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Check External Monitor/TV Connection
Connect your MacBook to an external monitor or TV to determine if the issue is related to the display or cables. If the problem persists on the external display, it could be related to the GPU or macOS.
Reset NVRAM/PRAM
Resetting the NVRAM/PRAM can help resolve screen flickering caused by incorrect settings. To reset the NVRAM/PRAM, shut down your MacBook, press and hold the Option + Command + P + R keys, and then turn on your MacBook while holding these keys for about 20 seconds before releasing them.
Reset SMC
Resetting the System Management Controller (SMC) can resolve screen flickering caused by hardware issues. The process of resetting the SMC differs depending on your MacBook model. For MacBooks with a T2 security chip, shut down your MacBook, press and hold the Control + Option + Shift keys, and then press the power button while holding these keys for 10 seconds. For older MacBooks, shut down your MacBook, press and hold the Shift + Control + Option + Power buttons simultaneously, and then release them.
Enter Safe Mode
Safe Mode disables certain startup items and processes, which can help resolve screen flickering caused by software conflicts. To enter Safe Mode, shut down your MacBook, press and hold the Shift key, and then turn on your MacBook while holding the Shift key until the login screen appears.
Run Apple Diagnostics
Apple Diagnostics can help identify hardware issues causing screen flickering. To run Apple Diagnostics, shut down your MacBook, press and hold the D key, and then turn on your MacBook while holding the D key until the diagnostics screen appears.
Update Apps
Outdated apps can sometimes cause screen flickering. Update all your apps by opening the Mac App Store, clicking on the “Updates” tab, and following the on-screen instructions.
Reinstall macOS
Reinstalling macOS can resolve screen flickering caused by software issues. This process will not delete your data. To reinstall macOS, shut down your MacBook, press and hold the Command + R keys, and then turn on your MacBook while holding these keys until the macOS Utilities window appears. Click on “Reinstall macOS” and follow the on-screen instructions.
Disable Dark Mode and True Tone
Dark Mode and True Tone can sometimes cause screen flickering. To disable them, go to System Preferences > Displays and uncheck the boxes next to “Dark Mode” and “True Tone.”
Contact Apple Support
If you’ve tried all the solutions above and your MacBook screen is still flickering, it’s time to contact Apple Support for further assistance. They can help diagnose the issue and recommend the appropriate repair or replacement options.
Preventing MacBook Screen Flickering
To prevent screen flickering from occurring in the future, consider taking the following precautions:
- Keep your MacBook’s software up-to-date.
- Regularly check for app updates.
- Clean your MacBook’s cooling vents to prevent overheating.
- Avoid running too many resource-intensive apps simultaneously.
- Protect your MacBook’s screen from physical damage with a screen protector.
Conclusion
MacBook screen flickering can be frustrating, but with this comprehensive guide, you now have the knowledge and tools to diagnose and fix the issue. By following the solutions and preventative measures outlined above, you can ensure a flicker-free experience and get back to enjoying your MacBook to its fullest potential.
