Today I tried to start up my pc only to find that nothing happened at all. I plugged it into multiple different power outlets and it still didn't work. I opened the system up and found that my top hard drive had fallen out of place one one side and was resting on top of my other one, but apart from that everything inside the system looks fine. Does this mean that my power supply isn't working since my PC doesn't do anything at all when I press the power button?