How to connect a wireless linksys router?

My cousin got a new linksys router so i came over to help him plug it in but his modem is weird. His modem only has one ethernet cable slot. So does anyone know how to connect it? If it helps his modem is a motorola modem for comcast and his router is a linksys model: WRT54G2|||Connect Ethernet cable from Modem to Linksys Route WAN connector.


=


Connect Modem [wired] to Router [wireless] to PC.


=


* DO NOT REMOVE POWER TO RESET NETWORK DEVICES *


-


Set router POWER OFF.


-


Reset modem: With a straightened paperclip, press RESET button momentarily.


-


Wait 60 secs.


-


Set router POWER ON.


-


Reset router: With a straightened paperclip, press RESET button momentarily.


-


Wait 60 secs.


--


PC Command Line:


-


Click [Start] - Click [Run...] - enter: cmd, Click [OK]


-


At the prompt (c:\.....%26gt;) enter: ipconfig /release, press [ENTER]


-


At the prompt (c:\.....%26gt;) enter: ipconfig /renew, press [ENTER]


-


TEST: Open Web Browser: Connect to Internet.


--


If SUCCESS: Repeat Steps after PC Command Line on other PCs.


-


If NO SUCCESS:


-


At the prompt (c:\.....%26gt;) enter: ipconfig /all, press [ENTER]


-


Ensure DHCP Enabled == YES


-


If IP Address == 0.0.0.0 OR 169.254.0.0 to 169.254.255.255, connect Modem [wired] to Router [wired] to PC and perform ALL steps again.


-