Computer Hope

So i started my computer one day and as i saw there was no connection and as i tried to connect it just said Cant connect to this network i tried multiple times even resetted the network settings did all i can to fix this but nothing i dont really know what to do tried also alot of video from youtube but nothing it's still like that i hope someone know how to fix this because im really struggling since Days trying to find a solution My Laptop is a Toshiba running Windows 10 its a pretty old Laptop