Ok so my sister came home with her new windows 7 laptop and gave me her old XP laptop and now the wireless is not working on wither my xp my sisters 7 my other sisters vista or the wii. All cannot find the network even though the signal shows it is strong and working and our XP desktop is connected to the internet fine. We have no clue whether its the laptops, modem, router, or the internet if someone could help that would be awesome.1 person got this answerI do too