The HDD is an important component of the computer and stores a lot of data. Its importance is needless to know. If the hard drive fails, the trouble is even greater. Unrecognized HDD is a common type of HDD failure. The following is a brief description of how to repair the HDD can not be read out, everyone who is interested can come to understand! First, the HDD partition problem caused When using a computer hard drive, you must first set up partitions, and there are divisions between the main partition and the logical partition. In the case of a failure of the main partition, computer failure will occur. You need to enter the DOS mode by booting to enter the FDISK/MBR command to set up, so that the problem can be solved, because the FDISK command file already contains an HDD main leadership program, and some modifications can solve this problem. Second, due to improper BIOS settings When setting the HDD working mode on the Bios motherboard, there are three situations, in...