SOLVED !!!!! Hi, I FINALLY figured what was wrong with my computer, since i was facing the same issues. After 2 days of trying every possible option including changing the cmos battery, it was the chassis Power on connection that connects to the motherboard. Apparantly, the polarity does matter, as when i just flipped it around and restarted the computer....it was back up and running again!! Hope this helps!
Cheers...
Cheers...