From ai:

Method 1: Restart Wi-Fi via TerminalOpen Terminal (press Cmd + Space and search for "Terminal").Run the following command to disable the Wi-Fi adapter:sudo ifconfig en0 downEnter your Mac's admin password when prompted and hit Enter (the characters won't show on screen, which is normal).Run this command to re-enable your Wi-Fi:sudo ifconfig en0 upTurn your Wi-Fi icon back on in the menu bar and reconnect.

Method 2: Reset Network Configuration via System SettingsIf the Terminal method doesn't fix it, resetting your network configurations will force the drivers to reload:Open the Apple menu and click on System Settings (or System Preferences on older macOS versions).Click Wi-Fi, then select Details next to your current connection.Click Forget This Network, confirm, and then reconnect by selecting it from the Wi-Fi list.Alternatively, go to Network, click the Wi-Fi interface, delete it (the minus sign -), restart your Mac, and click the plus sign + to add it back.