I just reinstalled Windows XP Pro using a reinstallation CD provided by Dell. Everything proceeded as I expected from advice here in Tech Guy. Windows restarted, getting me to the black Windows XP startup screen where the little blue things race from left to right , except the little blue things have not shown up. In their usual place,for over one hour, it says simply, Please wait... How long should I wait? And what will happen if I strike a key or shutdown?