Also, before you decide on your wires, be sure you exactly what will perform most optimally with your planned components. If you're planning to install a 500 watt amp, an individual also know that amp always be 17' over battery, use a chart to understand what wire gauge wireless. People like to get all loco a cabeza with Power wire, and spend $5 a foot on 0 gauge wire. WHY??? If you don't need it, don't purchase it!
To diagnose the power supply, check the connectors first and positive all are plugged correctly to the motherboard. Capability PVC Insulated Cable must also be plugged to the capability supply. Also check if the power switch is turned on, if it turns out somebody accidentally turned that. Examine in case the fans are spinning at the right rate. If they are dirty, clean them any can of compressed air. Next, assess if for example the cables send appropriate voltage amounts by checking from the BIOS meal.