> MS-Windows used to have an undocumented switch "fdisk /mbr" which would > remap the MBR and erase any copy of lilo or grub present. I don't know if > they still have that option. Undocumented? The command above works pre-XP. For XP, it is fixmbr and/or fixboot.. For Vista and Seven, it is bootrec /fixmbr and/or bootrec /rebuildbcd.