Vista - screensaver gone 2

to clear up what i have: dell inspiron 530 windows home premium microsoft
works 8.5 intel core duo e4500 integrated intel graphics media accelerator
3100 dell 19 in 1 media card reader. my screensaver is gone the screen says"
screensaver can't run-requires newer video card or one that's compatible with
Direct 3d". this is nonsense, my computer came installed with
screensaver.where do i go in my computer to turn it back on and what is it
called?