What to do when 4 black screen is not ringing? Black screen command line repair method

Isolated Island 4 Black screen No response how to do:

Out of this problem the computer should be no problem before it can be finished, with a small series of testing methods useless, after 100 degrees to find a friend of the order repair method, the results are useful, the following methods.

In the command line (start-run-cmd) with the netsh winsock reset reset reboot finished seconds!

Network Module Repair can, this feeling has like to do the server Apache error, but some friends restart the computer did not reinstall the system can be solved, of course, reinstall the system is sure the network module has been reinstalled.