With the development of our society, the advantage of science and technology has been further reflected. As an important bridge connecting user and server, computer security and stability are not only related to user’s experience and satisfaction, but also affect the effective improvement of science and technology for computer, hardware is the basic for implementing related function.
The maintenance of it is an important part of daily computer equipment management. On the basic of analyzing the composition of computer hardware system, the author analyzes some key methods of hardware maintenance, expecting to promote the realization of the overall function of the computer. Computer hardware maintenance (to extend the computer lifespan). This involves taking care of the computers physical components, bringing about testing and cleaning of equipment. To impact all pc users to enhance the ability to install, troubleshoot, repair and maintain computer system, still to expose the procedures of basic techniques with respect to hardware personal computer, portable devices.