## Fixing Screen Flickering on MacBook Air After Factory Reset
To fix screen flickering on your MacBook Air after a factory reset, update your operating system to the latest version and reset the System Management Controller (SMC) and the Power Management Unit (PMU).
## Step-by-Step Guide
1. **Update your operating system**: Click the Apple menu and select “System Preferences,” then click “Software Update” to ensure you have the latest version of macOS.
2. **Reset the System Management Controller (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 will reset the SMC.
3. **Reset the Power Management Unit (PMU)**: Shut down your MacBook Air, locate the following keys: Power button, Command (⌘) + Option (⌥) + P + R. Press and hold these keys while powering on your MacBook Air. Hold them for 10 seconds, then release. This will reset the PMU.
4. **Adjust your screen settings**: Click the Apple menu and select “System Preferences,” then click “Displays.” Adjust the screen resolution and refresh rate to see if it resolves the issue.
5. **Check for loose connections**: Verify that all cables, including the power cord and any external display cables, are securely connected.
## FAQ
– **Q: What causes screen flickering on MacBook Air after a factory reset?**
A: Screen flickering can be caused by outdated software, hardware issues, or incorrect display settings.
– **Q: Will resetting the SMC and PMU delete my data?**
A: No, resetting the SMC and PMU will not delete any of your data.
– **Q: How often should I update my operating system?**
A: You should update your operating system whenever an update is available, as updates often include bug fixes and performance improvements.
– **Q: What if the issue persists after trying these steps?**
A: If the issue persists, you may want to contact Apple support or visit an Apple Store for further assistance.
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