Display is not bright

Or go to bed before the light, and the results of sleep after the boot up display is not bright.
Also host the same operation

you do not have Detailed description of the situation, not good.This situation is normal, because computers do not have to for a long time, it shut down the display, in order to conserve electricity, if you move the mouse to click back to normal.If you move the mouse is not bright, you should The wake-up button on your keyboard.Monitor-power does not take you out in the graphics display on the line, appeared on the screen if not detected signals prompted or other characters suggest that normal display that is the host, or display Between the card.If not, there are displays of the problem, repair it.If the host, you can re-clear the memory card, followed by OK on.