海思电视蓝屏怎么调回来？（电视蓝屏调回来的步骤）

1、电视机的信号源输入有问题导致的：应该重点检查电视机的信号源连接线路是否松动或者解除不了导致信号丢失，所以电视机显示蓝屏保护屏幕；如连接线路有松动将其固定即可；

　　2、电视机的信号源模式与输入的信号源不匹配导致的：如看有线电视界面则切换信号源至TV模式；观看数字电视节目或者DVD影片则切换信号源至AV模式或者HDMI模式，即可解决；

　　3、电视机的硬件故障导致电视机无法识别信号源，比如接口与主板的连接断路，主板其他零部件故障等，建议联系电视机的售后服务对电视机进行全面检测和保修；

　　

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