Provided you are now deemed "clean" of infections by one of the team specialist in the "Am I Infected" forum, It would be easier and faster to just use the recovery partition you already have. That partition is an unmounted volume and cannot be infected. To do so, restart your computer. Press ctrl+f11 as soon as you see the dell logo before it boots to windows, then release both at the same time. You have a very short window of time to do this. If you miss it the first time, repeat the procedure. In the Dell restore window, select restore, then select confirm. When it's done, it will be as factory provided and should take no more then 10-15 minutes.
This will prevent you from having to track down drivers as you would have to do in a complete format and re-install.
You can remove the hidden partition afterwards if you want to regain the space the restore utility takes up if you like.
Of course, either way you go, you'll have to reinstall everything you've added since you received your system.
Edited by HitSquad, 22 January 2009 - 09:53 AM.