I have a Compaq laptop... it has built in wireless connection. The laptop owner had been using a Linksys wireless card as well. We were re-setting up the router. We could not print to the wireless printer. I decided to remove the Linksys card, and use only the built in wireless connection. The HP 5800 printer would not print. So, I decided to uninstall the printer, then re-install it to get it to work on the built in wireless connection. I uninstalled the printer, it ask me to reboot... I did and it will now only boot up to the blue Windows XP screen.... the one before the login selection. It just stays there. Same issue if I go to Safe mode. I get to that screen, and that's as for as it will go. I have also tried "last know good configuration". I get to the same point.