Operating system macOS does an excellent job of automatically connecting to known Wi-Fi networks, and even to those who have made the connection on iOS devices thanks to iCloud synchronization. But sometimes even Apple devices need the help of a user.
To delete a known network is not the optimal way to solve problems with a Wi-Fi connection, change the priority of connection with a more convenient way. Moreover, all configurable in just a few clicks. To begin with, how to remove known Wi-Fi network
Removal of known Wi-Fi networks
Step 1: Go to System preferences, click on the icon “Network” and select “Wi-Fi”.
Step 2: Click “Advanced”.
Step 3: Click on the network you want to delete and press “-“.
Step 4: Repeat with all the unnecessary networks.
How to change acquire network connection Wi-Fi
Step 1: Go to System preferences, click on the icon “Network” and select “Wi-Fi”.
Step 2: Select “Advanced”.
Step 3: You will see a list of known Wi-Fi networks. Drag them in the order in which I would like to have the Mac connected if they are available.