Boot the computer screen is a black one how to do?

Users questions:Anyway, can not see the screen points
Experts answer: does not shine (see nothing), failure to determine the source: unplug the device significantly depending on the host computer to connect to the remarkable visual acuity after a separate power transmission, if significant, as the machine has a light, then the significantly depending on the basic device, no problem. On the contrary, as the device is a significant problem. Exclude significant problems as the device, the screen pointMost failures are not bright graphics cards, motherboard problem. You can check or replace the suspect parts.
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