Nothing loads at all on the monitor. The monitor acts as if the computer is off.
is it? I mean, do you see any indication the system is getting power? does anything light up?
OK, Remoce the CMOS battery and wait a minute or two before re-installing it. US the onboard video card for the recovery.
When you get the BIOS screen up you are going to have to reset the boot order. You may have to format and reload the software to recover the boot sector if it has become corrupted.
Graphics card problem?