I'm trying to connect my laptop to my dads PC for a big file transfer. I've got my network cross-over cable and I've been looking at posts about people with XP probs. I think I'm OK with the I.P. addresses and all that. My issue is the Workgroup. My laptop is a works one and it doesn't have a workgroup name, it has the domain option checked. I had a play a few days ago in changing this to a named workgroup. It was fine but asked for my password. I entered it. The trouble was, when I locked the computer while i went for a coffee it wouldn't let me log back on to the computer. Reboot made it worse - lost all the domain options. Had to go back to the I.T guy at work who gave me a load of why-the-hell-were-you-messing looks! I'm kind of worrried about changing from domain to workgroup. When I reboot, I won't be allowed back in!