The problem with the situation is that there is no PROMPT! I mean, there is no CMOS/BIOS screen, even with DEL press, or whatever. If there were some sort of a prompt, So, now the situation is, when I turn on my system, the power LED lits up, power and CPU fans working, machine noise begins, no BIOS screen, no BIOS POST message, no system failure or any other message. What is the problem? i did not change the CMOS/Bios. Is it my power supply or my motherboard got problem.