We deleted some old network files and the Wi-Fi started working again on Mac. Follow the steps below. Step 1: Click on the Wi-Fi icon in the menu bar. Step 2: Disable Wi-Fi on your Mac. Select Wi-Fi from the left sidebar. 3. Scroll down on the right side, and click Advanced. 4. Select the three-dot menu in the new dialog box to the right of the Wi-Fi network you want to connect. 5. Click the Remove From List option from the dropdown menu. 6. Close the dialog box and toggle off your Wi-Fi. The router might be connected to the modem but not to the internet, or there could be a service outage from your internet service provider. Your MacBook might have incorrect or corrupted network settings that prevent it from accessing the internet, even though it's connected to the Wi-Fi network. Check the status of your network connections. You can check your settings and the status of each network service, such as Wi-Fi, Ethernet, and Bluetooth ®, in Network settings. On your Mac, choose Apple menu > System Settings, then click Network in the sidebar. (You may need to scroll down.) How to Diagnose Your Mac's Wi-Fi Problems; How to Fix Mac Wi-Fi Not Working After Sleep-Wake Cycle; Restart Your Mac; Disconnect Your USB and Wireless Signal Devices; Reset the NVRAM/PRAM and SMC; Reconfigure the DNS; Adjust Packet Size; Change Network Location and Renew DHCP Lease; Forget Your Wi-Fi Network; Check for System Software Updates Check the WiFi range. If the WiFi is not working on your Mac, check if the Mac is within range of a WiFi network. Should you experience a poor connection, try moving closer to the router itself. If that does not work, the next step is to check your WiFi connection on another device, such as a phone or laptop. .

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