shriphani@psp-laptop:~$ fdisk /dev/sda Command (m for help): p Disk /dev/sda: 1 MB, 1474560 bytes 1 heads, 3 sectors/track, 960 cylinders Units = cylinders of 3 * 512 = 1536 bytes This doesn't look like a partition table Probably you selected the wrong device. Device Boot Start End Blocks Id System /dev/sda1 ? 561651809 1128984683 850999312 6c Unknown Partition 1 has different physical/logical beginnings (non-Linux?): phys=(368, 82, 37) logical=(561651808, 0, 1) Partition 1 has different physical/logical endings: phys=(357, 97, 35) logical=(1128984682, 0, 2) Partition 1 does not end on cylinder boundary. /dev/sda2 ? 666205645 847574255 272052916 6e Unknown Partition 2 has different physical/logical beginnings (non-Linux?): phys=(97, 115, 32) logical=(666205644, 0, 2) Partition 2 has different physical/logical endings: phys=(107, 121, 32) logical=(847574254, 0, 3) Partition 2 does not end on cylinder boundary. /dev/sda3 ? 370786500 550449286 269494180+ 79 Unknown Partition 3 has different physical/logical beginnings (non-Linux?): phys=(356, 101, 33) logical=(370786499, 0, 1) Partition 3 has different physical/logical endings: phys=(0, 13, 10) logical=(550449285, 0, 3) Partition 3 does not end on cylinder boundary. /dev/sda4 ? 375392967 375399564 9895+ 42 SFS Partition 4 has different physical/logical beginnings (non-Linux?): phys=(329, 79, 13) logical=(375392966, 0, 2) Partition 4 has different physical/logical endings: phys=(335, 77, 4) logical=(375399563, 0, 1) Partition 4 does not end on cylinder boundary. Partition table entries are not in disk order Command (m for help):