Fixing Screen Flickering on MacBook Pro After Update
## Direct Answer
To fix screen flickering on MacBook Pro after an update, try resetting the System Management Controller (SMC) and the Power Management Unit (PMU). If the issue persists, check for software updates, disable graphics switching, and adjust display settings.
## Step-by-Step Guide
1. **Reset SMC**: Shut down your MacBook Pro, locate the following keys, and press them simultaneously: Power button, Command (⌘) + Option (⌥) + Shift (⇧) + Power. Hold for 10 seconds, then release.
2. **Reset PMU**: Shut down your MacBook Pro, locate the following keys, and press them simultaneously: Power button, Command (⌘) + Option (⌥) + P + R. Hold for 10 seconds, then release.
3. **Check for Software Updates**: Click the Apple menu and select ‘System Preferences’ > ‘Software Update’ to ensure your MacBook Pro is running the latest software.
4. **Disable Graphics Switching**: Go to ‘System Preferences’ > ‘Energy Saver’, and uncheck the box next to ‘Automatic graphics switching’.
5. **Adjust Display Settings**: Go to ‘System Preferences’ > ‘Displays’, and adjust the ‘Refresh Rate’ and ‘Scaled’ settings to see if it resolves the issue.
## FAQ
* **Q: Why is my MacBook Pro screen flickering after an update?**
A: Screen flickering can occur due to software bugs, incompatible graphics drivers, or hardware issues after an update.
* **Q: Will resetting SMC and PMU erase my data?**
A: No, resetting SMC and PMU will not erase any data on your MacBook Pro.
* **Q: What if the issue persists after trying the above steps?**
A: If the issue persists, it’s recommended to visit an Apple Store or contact Apple Support for further assistance.
Leave a Reply