i dont know if this will help , i had the same problem,i fixed it going to control panel then power options, there i go to apm option and checked the box...then restart..it took 2 restarts to work the way it was supposed but its working right now and some friends did the same and worked too ...i hope it works for you ..
Power off after shut down doesn't work
in Customization & Tweaking
Posted
i dont know if this will help , i had the same problem,i fixed it going to control panel then power options, there i go to apm option and checked the box...then restart..it took 2 restarts to work the way it was supposed but its working right now and some friends did the same and worked too ...i hope it works for you ..