I just built myself a new computer, and after installing all the necessary hardware and plugging in the power cables, it wouldn't turn on. So I searched online and someone suggested that I take the mobo out of the case and try to turn it on. Surprisingly it worked, my case is all metal I have idea if that was the reason as I used this case on a build successfully years ago without any problems.This has me turning on the computer by resting the mobo on a cardboard box and shorting the power sw pins with a screw driver. Is this method safe for the mobo and other components? also would getting a plastic case solve my problem?