vista not sleeping when press sleep button

[ic0n]

hi guys

well i installed some updates the other day(only thing i think i have changed)
now when i press the sleep button it stops music and turns the screens of but no longer turns the fans off and stop running

its just keeps working with the screens off and stuff

help please as untill the other day i could just let the computer sleep at night now i need to shut it down

 

[fat-600]

go to the "power options" then choose "change plan settings". Then click "change advanced power settings"

then go to the bottom of the list and click on "multimedia settings" and then choose allow the "computer to sleep"