try this i here is the notes to connect ethernet without the cd
1 Temporarlily disable any firewall software
2 power down the pc and the modem
3 Connect the Ethernet cable from the modem to the pc
4 Power up the cable moderm and let it settle for 5- 10 mimutes
5 Once the cable modem is ready power up the pc
6 When the computer has booted into windows click on start>run.
7 In the box type command.com and press enter
8 In the black box type ipconfig/all- you will see a String of information and all the adaptors in the system
9 Look for the Ethernet adaptor on the list, you see under the entry "ip address" a number.This is your ip address
10 If the number is all 0's or has the following address starting 169 then you need to type in the following Ipconfig/release
wait ten seconds and then type ipconfig/renew.You see a message confirming a new address has been obtained
11 You now need to open a browser window and check that you dont have a poxy set.To do this click on tools,internet options and then connections
Now click on the Lan settings buttons and make sure nothing is ticked. Click ok and type in the following into the Address bar at the top
https://autoreg.autoregister.net/. This will take you to the registration page. You will need the mac address (on the underside of the cable modem)
and the pin number on the letter you recived from NTL and one of the following serial number for a cable moderm is "ntl-ct8-cj486"
Follow the onscreen instrucations and you should be up and running. Dont forget to re-enabel your firewall and update windows
with all the patches from the windows update site
have used it and it works