目前 ,拥有电脑的家庭越来越多 ,很多人对电脑千呵百护 ,但却容易忽视一点 :电源。电脑对外部供电电源的要求不同于一般电器 ,在安置电脑的过程中 ,应首先做好如下几项工作 :要确保电压稳定　正常情况下市电额定电压在2 10 V～ 2 30 V范围内 ,电脑在此供电情况下可正常工作。但 At present, there are more and more families with computers, and many people do a lot of work on computers. However, it is easy to overlook the power supply. Computer requirements for external power supply is different from the general electrical appliances in the process of setting up the computer, you should do the following first several tasks: To ensure that the voltage stability Under normal conditions, the rated voltage of mains in the range of 2 10 V ~ 2 30 V, The computer can work normally under this power supply condition. but