I have often encountered by the normal procedure to shut down the computer, may I ask how's going on?

Users questions:My computer is a ACER laptop, there have recently been closed several times according to the normal procedure can not be machines, began to shut down the computer ** ** off, and had to forcibly shut down by ....... please help FAQ?!!
Experts answer: of systems Restore to restore the look on the OK,
  • This information provided by the users.Thanks!