Boot the computer monitor did not respond after what happened?

look at the monitor connected to the power supply did not let us go back and connected to the host you look at a host is not reflected in , Power and hard disk light is not bright, then the display case to see whether the loss, or display is broken, there may be related to graphics cards are generally related to the problem of power supply, power supply, if not, and if
look at the keyboard and mouse Whether there is a show? And if so, whether the board has prompted the sound, according to your motherboard manual inspection under the tips.A lot of reasons, graphics cards, memory, display itself may have a problem!
first two cards is not a song or gray when it comes to the power display, or other graphics to see the back of the plug socket that tight yet? card did not play tight?
for monitors to look at the Do not use, it is necessary to be on display ~
If the repair does not pull on the inserted card to use on other computers using ~ ~
Oh, you are Ben Banfa to open the display you?