In modern society, computer households. However, its use and operation of the process, certain factors may be inevitable because of some condition, the computer hardware and software combined by the product, you can not use both dispensable; also can be said that both the A failure would affect the normal use. Therefore, computer maintenance and repair, not only to understand the knowledge of the hardware, but also know how to software-related knowledge. Therefore, only the hardware and software to master the basic knowledge and skills in order to improve computer maintenance and repair work. In modern society, computer households. However, its use and operation of the process, certain factors may be inevitable because of some condition, the computer hardware and software combined by the product, you can not use both dispensable; also can be said that both the A failure would affect the normal use. Therefore, computer maintenance and repair, not only to understand the knowledge of the hardware, but also know how to software-related knowledge. Therefore, only the hardware and software to master the basic knowledge and skills in order to improve computer maintenance and repair work.