Cant put my pc to sleep

hi , can anyone help me with this , when i go to start -sleep it works .
But when I set it to sleep for 30 minutes , it does not work ,, see the pic please .
http://img257.imageshack.us/img257/9020/15922817.jpg
as u can see , i set it for 30 min , but it does not work .. thnx .
Answer #1


Answer #2
i tried this , i even set it for 1 min , but it wont sleep , only the display go black ,. thnx anyway .
Answer #3
i tried this , i even set it for 1 min , but it wont sleep , only the display go black ,. thnx anyway .
after saving ur desired power settings…try to reboot once and see if the pc still wudnt sleep