Uhmm Okay first off you would have to go to whom ever made the computer (Dell, Gateway, etc.) and look under support then that make model computer and look for the Network drivers for it. Second, as for the IP you used the wrong one, your router would be 192.168.x.1 (the x can be 0,1, or 2 usually), but your computer would be any number other then 192.168.x.1, so for example your computer should have been 192.168.x.99 . The Subnet is normally 255.255.255.0 but the gateway is the router so 192.168.x.1.
As no devices connect even with a wired connection (I assume your phone also tried to connect wirelessly and can't either) then the router died. If it is a ISP provided one, you should have IMMEDIATELY called them (far as I know you forgot to pay your bill this month! LOL), otherwise you would have to go buy a new one out of pocket.