电脑维修（Computer maintenance）.doc

电脑维修（Computer maintenance） I. observation Observation is the first method in the process of maintenance judgment, which runs through the whole maintenance process. Observation should be not only serious, but also comprehensive. What you want to see include: 1, the surrounding environment; 2, hardware environment. Including plug, seat and slot, etc.; 3, software environment; 4, user XX habits, process Two, minimum system approach The minimum system is the basic hardware and software environment that enables the computer to boot or run from the point of view of maintenance. There are two forms of minimum system: Hardware minimum system: consists of power supply, main board and CPU. In this system, there is no signal line connection, only the power to the main board power connection. In the course of judgment, the sound is used to determine whether the core component works; Software Minimum System: by the power supply, motherboards, CPU, memory, display card / display, keyboard and hard disk. This minimum system is mainly used to determine whether the system can perform normal startup and operation. For Software Minimum environments, the following are the instructions for software: 1, the hard disk software environment, retains the original software environment, but in analysis and judgment, according to the needs of isolation, such as uninstall, shielding, etc.. Retain the original software environment, mainly used to analyze and judge the application software problems. 2, the hard disk in the software environment, only a basic XX system environment (probably uninstall all applications, or re install a clean XX system), and then according to the need of analysis and judgment, load the required application. The need to use a clean XX as a system environment is to judge system issues, software conflicts, or conflicts between software and hardware. 3, under the software minimum system, you can add or change the appropriate hardware as needed. For example, when you start