电脑故障维修判断指导大全（Computer troubleshooting instruction）.doc

电脑故障维修判断指导大全（Computer troubleshooting instruction） -------------------------------- Computer troubleshooting instruction -------------------------------- Chapter 1 basic principles and methods of computer maintenance The principles and methods mentioned here are the basis of the second part of the classification and need to be strictly observed. Section 1.1 of the basic principles of computer maintenance should be followed: First, the maintenance must be judged from the simplest things Simple things, on the one hand, observation, on the other hand, refers to a simple environment. The simple thing is to observe, it includes: 1, the environment around the computer - location, power, connections, other equipment, temperature and humidity; 2, the phenomenon of computer performance, display content, and their similarities and differences with normal circumstances; 3, the internal environment of the computer - dust, connections, the color of the device, the shape of components, the status of the indicator light; 4, the hardware and software configuration of the computer what kind of hardware and resources have been installed, what kind of software is used to make the operating system and what kind of software is installed on it. A simple environment includes: 1, the minimum system to be followed; 2 、 in the judgment environment, only the basic running parts / software and the components / software that are suspected of failure are included; 3, in a clean system, add users application (hardware, software) to analyze and judge Starting from simple things, is conducive to concentration of energy, is conducive to fault diagnosis and positioning. Must pay attention to, must through careful observation before you can judge and repair. Two, according to the observed phenomenon, we must first think and then do Think first and then do, including the following aspects: First of all, first think about how to do, where to start, and then hands-on. It can also be analyzed, judged and