Actually a CAT5 Crossover Cable is required and you'll only be able to access the WiFi Internet with the NB switched on and logged into he WiFi Router.
When you have everything you need the 2 Computers and the CAT5 Crossover Cable plug the CAT 5 Crossover Cable into the NB and the Computer via the Ethernet Sockets and run the Network Setup Wizard on the NB. Tell it that it connects directly to the Internet or Residential Gateway and if you want to share Files & Printers if you don't want to share these don't. Just continue on till you get to the Workgroup Domain setting select Workgroup and chose a Name for this Workgroup don't use the XP Default as others may have access to your systems. When you finish with the NB close off the Network Setup Wizard and reboot if required. Don't make a Floppy Disc to setup the network as it's not necessary.
When the NB is running again if it asked to be restarted open the Network Setup Wizard on the Desktop and go through the motions with this unit. When you reach the page where you are asked how this is going to connect to the Internet chose This Computer Connects through another Computer on my network and then proceed on. If you chose to share Files & Printers on the NB do the same here and continue on till you reach the Workgroup Name Page and enter the same Workgroup Name then continue to the end of the Network Setup Wizard. When finished reboot if asked to and then you should hive access to the Internet through the WiFi Access Point.
Honestly though it would be easier to just run a CAT 5 Cable from the Router to the Desktop and access the NB via the WiFi option. If you need to Share Files & Printers between the two units you can run the Network Setup Wizards on each and share the required items just like above. The only difference is that both computers will need to be set to Computer Connects Directly to the Internet or Residential Gateway.
If you use the router you will not need a Crossover Cable only a normal CAT5 Cable which is considerably cheaper than a Crossover Cable.
Col
