“黑屏”是“彩显”的一种常见故障。故障产生的原因较复杂,可能发生在显示器、电脑主机或信号电缆等部件。检修时一般根据显示器上节能和电源指示灯发光情况来判断故障大概范围:若指示灯为绿色(视机器而定),表明电脑主机的行、场同步信号已送入显示器 “Black screen ” is a common failure of “color ”. The cause of the fault is more complex and may occur on a monitor, computer host, or signal cable. Maintenance is generally based on the monitor on the energy-saving and power indicator light to determine the extent of failure Probable range: If the light is green (depending on the machine), indicating that the computer host line, field synchronization signal has been sent to the display