Before you begin, make sure the computer you use is turned ON and connected to the Wi-Fi.
NOTE: Steps and instructions may vary depending on your router’s model.
Launch a browser, enter "https://www.routerlogin.net" in the address bar to access the router’s configuration page then press [ENTER].
Enter the login credentials for your device.
Click on the ADVANCED tab.
Click on the Advanced Setup menu and then click Wireless Settings.
Uncheck the Enable Wireless Router Radio for both 2.4 GHz and 5 GHz Wi-Fi.
The network should now appear as disconnected on your computer.