the login prompt is showed at bootup only if you have a network card properly installed, or there are more than one useers on your machine. create a new user and login to your account on next bootup. it will prompt for your password, username of the last user already filled in.
you can have autologon enabled with tweakui, a utility that comes with windows.
but if you are a single user, generally a laptop isnt a shared machine, then you dont need to logon to it anyway. i have different logons on mine, because i need different profiles, different desktops and start menu (for contents) when i login as a developer, for accounts, and for browsing.
if this is the case with you, you can go to control panel->users and add users, and set it to use different start menu and desktop settings for each user.
hope that helps.
girish
<font color=red>No system is fool-proof. Fools are Ingenious!</font color=red>