Specifications

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Note:
 If TF card has two or more partitions, there would be multiple paths such as
/dev/sdc1, /dev/sdc2 and /dev/sdc3 corresponding to the partitions.
3. Execute the following instruction to unmount the device;
$ umount /media/disk
4. Execute an fdisk instruction;
$ sudo fdisk /dev/sdc
Please make sure you type the device path for the whole device, not one of
the partitions such as /dev/sdc1 or /dev/sdc2;
5. After executing the above instruction, type p to print the
partition records of the device as shown below;
Command (m for help): [ p ]
Disk /dev/sdc: 2021 MB, 2021654528 bytes
255 heads, 63 sectors/track, 245 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdc1 * 1 246 1974240+ c W95 FAT32
(LBA)
Partition 1 has different physical/logical endings:
phys=(244, 254, 63) logical=(245, 200, 19)
Write down the total bytes shown in the above information, for example
2021654528 bytes, and then type d to delete all the partitions;
6. If you do not find information 255 heads and 63 sectors/track
in the above table, please go though the following steps to
recover the TF card;
7. Type the letters as shown in the following table to set Heads and
Sectors;