✦ When the hard drive is almost full, you can use the low-level format to free up space. ✦ The computer may not work when the hard drive is infected with virus. ✦ There are many bad sectors on the hard drive, which will cause data access errors, and even the operating system cannot be used at all. Generally, if you want to perform low-level formatting operations on Seagate, it means that your Seagate device has the following conditions: However, the low-level format is a lossy operation to the hard disk. The low-level format is a necessary prerequisite for the high-level format, each hard disk has been low level formatted before leaving the factory. The low-level format (LLF): refers to the hard disk is divided into cylinders and tracks, and then divides the tracks into several sectors, each sector is divided into identification part ID, interval area, GAP, and data area DATA. The format we usually talk about is the high-level format. It just clears the data on the partition, generate boot information, initialize the FAT table, mark logical bad sectors, etc.

The high-level format(HLF): refers to reformat each partition after the hard disk is partitioned. Seagate (Seagate Technology Cor) was founded in 1979 and is currently the world's largest manufacturer of hard drives, magnetic disks, and read-write heads. Formatting is actually the operation of initializing a disk or disk partition, it can delete all files in an existing disk or partition, and Formatting is divided into the low-level format and high-level format.

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