I need help with my dynalink router i changed the...

Question

hi i need help with my dynalink dywrt54 see i changed the wep key to 64bit acl11 or something like tat and made mi ssid xbox360 rulz and now it says when i connect to it limited or no connectivity my passwords right but now my ip adrease is screwed and i cant play xbox360 can anyone help me plz!!!!