No Internet Connection/Slow Internet Connection | MAC Follow
Follow these basic troubleshooting steps if you are having issues connecting your devices with MAC.
1. Click the wireless icon in the upper left corner of the menu bar. Choose Turn Wi-Fi Off.
2. Restart/Reboot the device for at least 1 minute.
3. Forget the WiFi network.
- Choose Apple menu > System Preferences, then click Network.
- Select Wi-Fi in the list on the left.
- Click the Advanced button.
- The Wi-Fi pane shows a Preferred Networks list. Select the Wi-Fi network that you want your Mac to forget.
- Click the remove button (–) beneath the list. If you're asked to confirm, click Remove.
- Click OK.
- Click Apply.
If the steps above do not work, run a network command. Use these network commands to manually reset the TCP/IP stack, release and renew the IP address, and flush and reset the DNS client resolver cache:
To Flush your DNS cache on Mac, follow the steps below:
- Open the terminal by using Spotlight Search or by pressing Command + Space and then type Terminal.
- Double-click the application icon for Terminal to open it.
- Type in “sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder” without quotes.
- Enter your Mac’s password.
- Press Enter to complete.
After using this command on Mac, you won’t see any success message. You will only be brought to a new command line.