@ Hopachi : That's what I was starting to think also, about the fact that it's a sort of mode or resolution that was bugged due to something. But I already tried taking off the Test mode to overclock the monitor, and i also changed monitor on top of that ( now using a 24" 1080p at default of 60 hz )
@ David : Thanks for sticking to my thread, it's very much appreciated by the way. So I CAN boot into BIOS, i did not try changing the boot order. I will try that, it might make some sense. Maybe bios locks the default boot drive or something ( although my 1st boot is CD drive ).
I also tried most options under the advanced troubleshoot. I'll retry all of them again after changing the boot priority.
i'll follow your link after all that is done. I'll let you guys know. In the meantime, if anything else comes to anyone's mind, feel free to share your thoughts