Where can order wireless LAN router and how to replace it

Not hard to replace it but mabie there will be some settings on the router in order to access the internet .

your ISP showd help you on that one - I recomand first to call your service provider and ask what type of conection you have - dial-up, auto, DHCP etc. Probably they will give you an username and a password with witch you can setup the router.

the router itself you can buy it fom any site that will fit your desire for coverage, price, aspect, brand, availability etc.

Your's

Oscar