## Direct Answer
To fix WiFi keeps disconnecting on MacBook Air randomly, try resetting the System Management Controller (SMC) and the Network settings. Go to System Preferences > Network > Advanced > TCP/IP > Renew DHCP Lease, then restart your MacBook Air. If the issue persists, reset the SMC by pressing the power button, the Command + Option + Shift + Power buttons, or the Power button and the Volume Down button, depending on your MacBook Air model.
## Step-by-Step Guide
1. **Restart your MacBook Air**: Sometimes, a simple restart can resolve the issue.
2. **Check WiFi settings**: Go to System Preferences > Network > Advanced > TCP/IP > Renew DHCP Lease.
3. **Reset Network settings**: Go to System Preferences > Network > Advanced > TCP/IP > Renew DHCP Lease, then click on the minus (-) button to remove the WiFi network. Restart your MacBook Air and re-add the WiFi network.
4. **Reset the System Management Controller (SMC)**:
* For MacBook Air models with a non-removable battery (2015 and later): Press the Power button, the Command + Option + Shift + Power buttons.
* For MacBook Air models with a removable battery (2012-2014): Press the Power button, the Command + Option + Shift + Power buttons.
* For MacBook Air models with a T2 chip (2018 and later): Press the Power button and the Volume Down button.
5. **Update macOS and WiFi drivers**: Go to System Preferences > Software Update to ensure your MacBook Air is running the latest version of macOS.
6. **Check for WiFi interference**: Move your MacBook Air to a different location or switch to a different WiFi network to see if the issue persists.
## FAQ
* **Why does my MacBook Air keep disconnecting from WiFi?**: WiFi disconnections can be caused by a variety of factors, including network congestion, WiFi interference, or issues with your MacBook Air’s WiFi adapter or operating system.
* **How do I prevent my MacBook Air from disconnecting from WiFi?**: To prevent WiFi disconnections, try moving your MacBook Air to a different location, switching to a different WiFi network, or resetting your Network settings and SMC.
* **Will resetting the SMC delete my data?**: No, resetting the SMC will not delete any of your data. It will simply reset the System Management Controller, which manages various system functions, including power management and WiFi connectivity.
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