Nowadays, we have stepped into an information era. our work; study as well as life can’t depart from network. Master the computer, has become a necessary skill for people. However, after all computer is made by human, sometimes we can fall sick, the rather that computer? If one day, your computer work abnormal, do you repair it by yourself or ask help to special masters? Come on; let’s have a look at this lesson.

现在，我们已经步入了信息时代，我们的工作、学习和生活都离不开网络。掌握电脑，已经成为现代人必备的技能。但是电脑毕竟是人制造的，人都会生病，更何况电脑呢？如果哪天你的电脑运行不正常了，你是自己修理它，还是找专业人员帮忙呢？让我们来看一看这节课学些什么内容吧。

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