I use a cable internet connection which works. When I connect the router, I ran cable to blue connection on router and another ethernet cabel from the computer to another port on the router. When I do this I lose the internet connection and therefore, can't do the setup.

use a straight thru to connect directly to the router. Cross overs are typically used when connecting PC's directly together or daisy chaning routers or switches. Try a different port on the switch? Also from a pc, go to the DOS prompt and try and ping your TV. If your TV IP settings are all correct, and your network equipment is working, your should get a response from pinging your TV. If you don't, I would suspect a problem with your TV Enet port.

You need the Ethernet Cable in your Router to be able to connect to the Internet.That is the only way your going to be able to have Internet.It will not work without the Ethernet cable.

1. Plug in internet "from cable modem, dsl modem" via ethernet cable usually its blue and on the back of the router or it will say wlan.
2. Run ethernet cable from router to ethernet connection on computer

Ethernet cable means CAT5 or UTP for others or LAN cable. The connection should be LAN port of your computer to LAN1 of your router.

And you can connect also the internet cable usually ethernet cable from your internet provider directly to (ethernet cable)WAN port of your router to get signal from your internet provider.

Also if you get this message, this could also means you still don't set up or configure the router's settings to communicate when your LAN and router. They must see each other to access the router's utility webpage.

Regards

First of all: it would be good to know which devices you are using. This would help to be more specific.

But anyways:

1. Connect a normal Ethernet cable from your DSL or Cable modem to the Internet (or WAN) port of your vonage router.
2. Then connect another Ethernet cable from one of theLAN ports of the vonage device to the Internet (or WAN) port of your Linksys (The one that is separated from the 4 LAN ports.)
   
3. Make sure that the Linksys is set to DHCP (Dynamic IP Address), soit can get it's IP address from the vonage router! (Look at your manual. If you don't have one, you can get it here. Choose the right version number - you can find that on a sticker at the bottom of the router - and download the user guide)
   
4. Connect your computer to one of the LAN ports on the Linksys.

If you have any more questions or this desciption is not clear to you,just come back here and leave a comment - I'm happy to help.

The blue ethernet cable should be the wired cabel they are reffering to.

You can not - conect with USB:
You doo need a ethernet cabel, - here is the link to your router if you have lost you own:
http://www.linksys.com/servlet/Satellite?c=L_CASupport_C2&childpagename=US%2FLayout&cid=1166859876500&packedargs=sku%3DBEFSR41&pagename=Linksys%2FCommon%2FVisitorWrapper&lid=7650076500B01&displaypage=download#versiondetail

do rember to vote if this was helpful

Ethernet connection is a LAN or a CAT cable
One end of that cable will connect at the back of ur router box that u will have with u or u will get it from ur ISP .
and the other end of that cable goes to the back of ur pc in the jack which says LAN or try to plug it in any socket which fits properly.
u will a light that will start flashing at the back of ur back when u plug that cable in
to check whether u system supports ethernet connection or not
1. right click on my computer
2. goto properties
3. goto hardware
4. goto device manager
5. u will find network adapters there
click on the plus sign on the left side of network adapters
plus sign will change to minus
under network adapters look for an ethernet adapter or network controller
or 10/100 or 10/1000 fast ethernet NIC ( network interface card )
if u have one , then ur pc supports ethernet connection
U just have to connect the ethernet cabel to ur router box and at the back of ur pc and u just have to open internet explorer and ur internet would start working...
if u dont have ethernet cable with u or ur system does not have an ether net socket in ur system , u can goto any computer shop and get an ethernet cable and a socket for ur system
If u dont want to do that , u can go for a USB cable connection with ur pc or a wireless connection....
reply back if u face any further problems

Make sure that the Ethernet Cabel is plugged into the computer and attached to the router. make sure another ethernet cabel is attached from port 1 of the router to the Modem. Hope this works.

Any router will work, TCP/IP is a network standard, definately double check the cables. Your DSL modem is usually 192.168.254.254. and the router is usually 192.168.1.1. Check your documentation for the default IP. Once you know it type it in to the broswer in your Mac. Before doing so connect with an ethernet cable, purchase a new one if necessary. Connect from the <--> labeled port on the mac, or ethernet port. These wires are not like phone lines, they have 8 wires instead of 4/6. The router usually has ports on the back labeled 1, 2, 3, 4, and WAN. the 1-4 ports are LAN and that is also labeled on there. Plug the mac into port 1 and any other computers in after you get internet. once the physical connection is recognized. Go to your browser in the mac and proceed. if you get a web based router configuration page your router is working, then make the WAN connection to the ethernet port on the back of the dsl mode. Be sure your cables are good. Also go to your control panel and make sure your internet is enabled in your network section.