Hi there, My dad used to have a Windows Desktop PC which had a Laser Printer (Xerox DocuPrint P12) connected to it via a Parallel Port. He uses this as part of his business. He recently got a laptop which he now uses (the Desktop PC is rarely used now). The laptop, being new, doesn't have a parallel port so he cannot print to the Laser Printer using the laptop. We have a wireless router in our house. My iBook and my Dads laptop both connect to the router which provides internet access. I suggested to my Dad that I could install a wireless card into the Desktop PC and he then would be able to print from the laptop, to the Laser Printer connected to the Desktop PC. I installed the card today and everything seemed to go fine - I can surf the internet fine on the Desktop PC - but I tried connecting both of the computers and it didn't work. I enabled Printer Sharing on the Desktop PC, tried to create a home network etc but nothing seemed to work - I cannot get the laptop and Desktop PC to talk to each other. The Desktop PC had Windows XP Professional installed (no service pack). I wiped the hard drive, to reinstall Windows and when I did, I relised I had lost the original CD that came with the computer. So, I used a copy of XP that came with my Dads laptop. It installed fine, but says I need to activate it. I know it's illegal to have 2 copies of windows running like this, but I did have a legit copy for the Desktop, I just lost it. If I activate the copy on this computer, will the copy on the laptop deactivate or something? What will happen? I managed to successfully ping the Desktop PC using the laptop, but when I tried to ping the laptop using the desktop, it would time out. I can't understand how I can't get them to connect. If someone could offer any advice I would be greatly appreciative. I have been trying to solve this annoying problem for hours. I have tried setting up the home network wizard on both computers (like it says) but once I do it, nothing happens. Thank you for any help, this is really really bugging me. My Dad has to use windows PCs because he uses Sage (invoicing software) he bought his laptop in January.