I would like to assemble a new PC. I was wondering what is the best way to go. I mean, would you choose the motherboard first and then look for the other pieces? Or would you start from CPU and RAM ...

My son and I decided to try to make our own computer. We bought a bunch of parts from Newegg and have now assembled it. It seemed to turn on for a while, but now won't. We tested the power supply, and ...