What happens when the computer screen turns black?

In general, the display suddenly black screen is the driver of the video card has failed, but does not exclude the display of Casupines, the solution:

1, overclocking words, restore to the default frequency, the general notebook's default frequency is 60, the desktop of the words is 70-75

2, if set the default frequency, the fault is still, then use the Driver Wizard to install a new graphics driver. The Driver Wizard can help you automatically detect the corresponding graphics driver to install, when you do not know the graphics card model.

3, in the end or not, will be the system reload it. I can not install the system to take to the repair shop bar. General 30 Yuan to solve the problem.