"Flash the bios." What you mean? To flash the BIOS you have to have right file from m/b manufacturer and right model etc. etc. It does mean that only certain part of BIOS is changed and doesn't affect the rest!? Pardon my ignorance, but I have the same problem, can't get into windows, have all ready working nicely Win 7, but I want to use at this moment my Vista Ultimate, which was screw up by Win 7. After loading zloader for Seven or after by Vista begs for money. HELP! TIA!