Computer Not Receiving Power

Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. There is the chance that your PC isn't receiving power because of a serious issue but it's unlikely.

There are several reasons that your computer won't power on so it's very important that you step through a complete troubleshooting procedure like the one I've outlined below.

Important: If it appears that your computer is in fact receiving power (you see lights on the computer case, fans are running, etc.), see my How To Troubleshoot a Computer That Won't Turn On guide for a more applicable guide.