Problem with my specific laptop's connection to wifi.

Hello, I have this laptop and need to update it, but the internet seems to be unable to connect. here are some details. at first it worked, but after i updated it (i think) it stopped working. I tried to enter the home's wifi password and such, but now it says (cant connect to this network). it doesn't even prompt me to enter the password anymore, it just automatically "connects" and says the error. I can't even forget the network, it only says connect when i right-click it. I tried to restart the network and nothing happened, and i deleted the wifi driver and still nothing. I honestly don't know what to do. if you have any ideas. do tell, thank you.