Start the system suddenly crash is how is it?

Users questions: Sometimes an occasional start when the computer is stuck in the "Welcome" in the blue background of the interface, not any reflected. Can force shutdown and then boot, does the master is only a problem where, how to solve . not always this way, knowledge occasionally! thank the!!
Experts answer: for your computer "Junk" too much, need to clean up your computer disk.
  • This information provided by the users.Thanks!