The computer for my wife's sister came with the error message: (a) "No Operating System." Booting from floppy says:(b) "Windows 98 has detected that Drive C does not contain a valid FAT or FAT32 partition"; (c) "Some virus also cause drive C not to register (d) "the diagnostic tools were successfully loaded to drive C".
Formating C says (e) "Format not supported on drive C. Format terminated". Running Setup from CD-Rom says (f) "Can not create a temporary directory. If you have HPFS or NTFS on your drive you need to create MS-DOS boot partition",and that (g) "Setup cannot install Win 98 on your computer: Your computer does not have a hard drive, your harddrive is not functioning properly, or requires a special device driver. FDISK says (h) "No fixed disks present". Scandisk says (i) "Did not find any problems on drive C". Finally, (j) Drive C is detected as NONE in the Bios.