Data cable causes computer blue screen to solve

Symptoms: Computer boot on the black screen, no self-test, hard drive lights are not flashing, graphics, memory, CPU determined no problem, excuse me, what is the reason?
Solution: one that needs to be noted is the wiring of the chassis to the motherboard, especially the reset button on the chassis and the cable between the power button and the motherboard. If the Reset key line short circuit, it is easy to create a black screen fault, generally this situation many people have neglected, if it is a line short circuit caused by the black screen fault, first open the chassis, check the short-circuit of the place, you can find two connected wiring to solve the problem again.
Hardware connection Loose: For example, Memory graphics card, CPU and the motherboard between the plug problems or loose and so caused by bad contact is caused by computer black screen fault main culprit. and the display card and monitor connection is not normal also can cause this kind of failure, and at power plug incorrect or your hard drive or optical drive data cable can also cause a startup black screen failure.