## Fixing WiFi Disconnecting Issue on MacBook Air After Update
If your MacBook Air’s WiFi keeps disconnecting after a software update, try **resetting the System Management Controller (SMC) and the Network settings**.
## Step-by-Step Guide
1. **Restart your MacBook Air**: Sometimes, a simple reboot can resolve the issue.
2. **Forget the WiFi Network**: Go to System Preferences > Network > Advanced > Wi-Fi, select the network, and click the “-” button to forget it.
3. **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 will reset the SMC.
4. **Reset Network Settings**: Go to System Preferences > Network > Advanced > TCP/IP, click the “Renew DHCP Lease” button, then click “OK”.
5. **Update WiFi Drivers**: Ensure your WiFi drivers are up-to-date by going to System Preferences > Software Update.
6. **Check for Interference**: Move your MacBook Air closer to the WiFi router and check if other devices are causing interference.
## Frequently Asked Questions
* **Q: Why does my WiFi keep disconnecting after the update?**
A: The update might have caused conflicts with your network settings or WiFi drivers.
* **Q: Will resetting the SMC affect my data?**
A: No, resetting the SMC will not delete any of your data.
* **Q: How often should I restart my MacBook Air?**
A: Restarting your MacBook Air regularly can help prevent connectivity issues, but it’s not necessary to do it daily. Only restart when you notice connectivity problems.
* **Q: Can I use a WiFi range extender to improve connectivity?**
A: Yes, using a WiFi range extender can help improve your WiFi signal strength and reduce disconnections.
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