I recently bought the best buy package of a desktop, laptop, and netbook and I am having problems installing my printer on the desktop. It installed fine when connected to the laptop. I have called Canon support for the printer and they referred me to HP which was of no use. Here is what it looks like is going on. I have no existing printer ports showing up. If you click on add printer and select use existing printer ports, there are none there. If you look at the printer properties for the microsoft xps document writer and look under ports, there are no ports listed there. On the netbook, which I have not tried to install a printer on, there are existing printer ports. HP would not even listen to this as a possible problem for the printer install. They kept insisting that the printer is not compatable with Windows 7 even though I told them I have it connected and working on the laptop running the exact same operating system. Is it possible that somehow something happened to these ports while using the windows transfer cable. How do I get them back without restoring the entire system.