Hello everyone okay here is my situlation whenever i try to shutdown hybernate suspend or log off my computer the screen becomes a bit grey and just stays there if i click then i could use everything as if nouthing ever happened and when i just press power to turn off the comptuer scandisk never opens any ideas? and my secound problem is when i hit control alt delete instead of bringing me to the screen were i could choose to open the task manager or log off it just gives me the system processes with close button or tabs to swicth over any advice would be greatly appreciated thanks!