Hi, I've just built a new pc from scratch, and whenever I shutdown my computer in Windows 7 from the start menu, after about 2-3 seconds it will start itself up again. I've actually had this problem before on my last computer, and I couldn't find a solution then. I don't know how the problem would transfer over when nearly all the components and the case are new. I've tried literally every solution that I've found, and nothing has solved it, hence the reason why I'm bothering you guys here.. The motherboard is an Asus P877-V LX. Thanks for your help!