Fix Screen Flickering on MacBook Air After Update
## Direct Answer
To fix screen flickering on your MacBook Air after an update, try resetting the System Management Controller (SMC) and resetting the NVRAM. If the issue persists, update your graphics drivers, check for loose connections, and consider reinstalling the update or seeking professional help.
## Step-by-Step Guide
1. **Reset the SMC**: Shut down your MacBook Air, locate the following keys: Power button, Command (⌘) + Option (⌥) + Shift (⇧) + Power. Press and hold these keys while powering on your MacBook Air. Hold them for 10 seconds, then release. This resets the SMC.
2. **Reset the NVRAM**: Shut down your MacBook Air, locate the following keys: Command (⌘) + Option (⌥) + P + R. Press and hold these keys while powering on your MacBook Air. Hold them for 20 seconds, then release. This resets the NVRAM.
3. **Update Graphics Drivers**: Go to the Apple Menu, select “System Preferences” > “Software Update” to ensure your graphics drivers are up-to-date.
4. **Check for Loose Connections**: Verify that all external display cables are securely connected to your MacBook Air.
5. **Reinstall the Update**: If the issue started after a software update, try reinstalling the update or seeking help from Apple Support.
## FAQ
– **Q: What causes screen flickering on MacBook Air?**
A: Screen flickering can be caused by outdated graphics drivers, software issues, or hardware problems.
– **Q: Will resetting the SMC and NVRAM delete my data?**
A: No, resetting the SMC and NVRAM will not delete your data.
– **Q: How often should I update my MacBook Air?**
A: Regularly update your MacBook Air to ensure you have the latest security patches and features.
– **Q: Can I prevent screen flickering in the future?**
A: Yes, by keeping your MacBook Air up-to-date, avoiding overheating, and using a high-quality display cable, you can reduce the likelihood of screen flickering.
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