Hibernation problem i think?

Hello recently my pc suddenly turned off everytime i boot it back up within a couple of mins monitor says no connection then pc turns off.Then the black screen pops up with options safe mode etc no probs in safe mode and also another black screen pops up saying your pc cant come out of hibernation status :0xcoooo411 info:fatal error occurred processing restoration data. file:\hiberfil.sys.im running vista ultimate sp2. please help having to use daughters laptop with much dissapproval.Thanks , Kinger