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电脑启动后显示器变屏但主机正常运行
更新时间： 2021-03-30 00:34:39  

1、电脑开机黑屏分两种情况：显示器未通电（电源指示灯不亮）或通电（电源指示灯亮）但无信号或屏幕显示“no sighal”，前者表示电路不通。

2、或者是电源接口或电源线接触不良或损坏，后者一般是内存条松动或氧化而接触不良，或显示器数据线接触不良，或内存、显卡、显示器或数据线损坏。

关键词： 电脑 启动 显示器 主机 正常 运行

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