Can't use fast switch..

I've recently reinstalled parallels + windows xp pro on my macbook pro, after install i notice when in windows it's not taking the fast switch commands, or slap book..

how do i reenable fast switch?.. it was working fine when macmall techs installed it..
please help! i want to use fast switch!

 

try posting in the mac forum. maybe someone who is experienced with your platform can help you.