I'm taking an unintentional and unwanted break from simracing because my PC is not working properly. No signal appears on any monitor. There are four sets of fans (front case, rear case, cpu and gfx car) and only the cpu and gfx card fans come on, the front and rear case fans stay still. Also the PC is much quieter when it powers on but I can't identify what is missing. Perhaps the CPU cooling pump has stopped working? I'm lacking time and energy to investigate further and mindful of how my previous PC died with a small explosion and I don't want that to happen in my face. Where do you begin troubleshooting this kind of thing given I have no spare parts to swap and experiment with?