Can’t run FDISK

I did a dumb thing I bought a compaq 1540 laptop only thing that come up on screen is the KB. I try run fdisk will not run said no fdisk present Can’t installed win95 said If you have NTFS on your hard drive created a partition try fdisk/mbr still no fix disk present Can’t get into the BIOS Any Idea what to do to get C: drive back I never used win nt Could they wipe all data off and got it unbootable? Thank for any help BJ