通过遵循先软后硬和先本地设备再远程设备的原则,介绍了计算机局域网络故障排除和解决的基本思路。其中,互联网中常见故障的检测手段,包括故障检测工具,检测命令和检测方法等,为非计算机专业用户,帮助其解决在上网过程中遇到的硬件类软件故障以及软件系统故障提供了参考。 By following the principle of hard first and then local device and then remote device, the basic idea of ​​troubleshooting and solution of computer local area network is introduced. Among them, common fault detection methods in the Internet, including fault detection tools, detection commands and detection methods, provide a reference for non-computer professional users to help them solve the hardware-type software faults and software system faults encountered in the Internet access.