How to get screensaver in windows 7 to work

I tried all the 25+ years of knowledge and tricks that I know and still the screen savers in windows 7 wont work. I know I am missing something, but, for the life of me I cant figure it out. Subject a Dell Inspiron 1501 with 1 gig of memory moved up to Windows 7 home premium with all drivers installed (from Dell’s vista support). Except for the screen saver, it runs like a champ, fast and clean. So, WHAT AM I MISSING HERE?