I have had a problem with my window 8.1. When i sleep or shutdown my lappy, it just turn off the display, but the power button still on with the light. It take about 5 min and then show a blue screen with the text error "Driver_Power_State_Failure".
Here're the dump and sys info files:
http://sdrv.ms/1j6UC9u
http://sdrv.ms/1dv2Yp2
http://sdrv.ms/1j6UJla