21世纪是一个信息的时代,在这个时代里,计算机得到了广泛的应用,随之而来的则是计算机的故障问题,其中最受重视的是计算机的硬件故障问题。本文简要介绍了计算机的硬件组成,计算机硬件存在的主要故障和分类以及计算机硬件故障的识别和处理。 The 21st century is an era of information. In this era, computers have been widely used, followed by computer problems, of which computer hardware problems are the most important issues. This article briefly introduces the hardware composition of the computer, the main problems and classification of computer hardware and the identification and processing of computer hardware failures.