You need the boot floppy to see if you can log the hard drive to see what's on it...
A password in the setup routine was not mentioned earlier...
If this is a laptop Good Luck.
If not remove the CMOS battery about the size of a dime located on the motherboard.
Do this with the power cord unplugged and hit the power switch a few times to discharge stored energy.
Be careful removing the battery...you don't want to break it's holder.
Post back with your progress...