Question : resetting a Cisco router!!!!!

Hi

does anyone know how to restore a cisco to factory defaults? ie i do not have a admin password etc as i got the router of someone.. they do not know thw password. I want to change the ip addresses etc.. HELP!!! is there a button i can press.. i do have the console cable

Answer : resetting a Cisco router!!!!!

Which model of router?

http://www.cisco.com/warp/public/474/

Once you recover the password and have a
router# prompt
router# write erase
router# reload
NO do not save the changed config
[confirm] yes

The router should come up in an autoinstall wizard asking "do you want to configure this router?" or something like that....