一、观察法。当微机不显示时,应关闭电源,再打开显示器或主机系统板,检查其内部。因为显示器的很多故障是由短路、断路、插头插座倒置及歪斜、插座簧片损坏、芯片不良、开焊、电阻电容烧毁等造成。若显示器的保险管熔断,切忌更换保险管后立刻开机,因为保险管熔断不一定是其自身问题,还可由电 First, the observation method. When the computer does not display, turn off the power, and then open the monitor or host system board, check its internal. Because many of the display failure is caused by short circuit, open circuit, plug and socket upside down and skew, Reed socket damage, chip bad, open welding, resistor capacitor burned and so on. If the display of the fuse fuse, avoid replacing the fuse immediately after the boot, because the fuse fuse is not necessarily its own problem, but also by the electricity