My computer connects to the wrong network
When you turn your computer on, your computer will automatically try to connect to wireless networks that you have connected to in the past. If it tries to connect to a network that you do not want to connect to, follow the steps below.
To forget a wireless connection:
Open the Activities overview and start typing Wi-Fi.
Find the network that you do not want it to keep connecting to.
Click the button located next to the network.
Click the Forget Connection button. Your computer will not try to connect to that network any more.
If you later want to connect to the network that your computer just forgot, follow the steps in.