本文首先介绍计算机基本构成及主板的结构以及计算机的各个部件的基本工作原理。并结合自己在计算机系统硬件维修和系统维护工作中的一些实际经验,就一般性故障,提出了一些解决方法。计算机构成主要是主机、键盘、鼠标、显示器和一些外部输入输出设备(打印机、扫描仪等)构成。电脑的核心部分在主机中,它主 This article first introduces the basic composition of the computer and the motherboard structure and the basic working principle of the various components of the computer. Combined with some practical experience in hardware maintenance and system maintenance of computer system, some solutions are proposed for general failure. Computer is composed of the main host, keyboard, mouse, monitor and some external input and output devices (printers, scanners, etc.). The core of the computer in the host, it is the main