1, the computer motherboard has a limit on the maximum hard disk capacity.
2. The partition table type of hard disk will also affect its capacity identification.
3. Ensure that the hard disk has been partitioned and initialized in the correct format.
4. The file system is damaged or the format is incorrect, resulting in the hard disk capacity can not be fully recognized.
5. The hard disk itself has faults, such as bad blocks and circuit board faults. , which causes some capacity to be unrecognizable.