将液晶显示器接上电源。将显示器数据线与笔记本电脑上的VGA接口相连接。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/09fa513d269759eee50c0517b9fb43166c22df8a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
将显示器打开,可以用组合快捷键点亮液晶显示器,Fn+F3键。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6f061d950a7b0208bc5d5a3d69d9f2d3562cc852?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
将笔记本屏幕关闭。在电脑桌面上点右键选“属性”。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/eaf81a4c510fd9f9249330b52e2dd42a2934a462?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
在“属性”界面找到“设置”选项,在“设置”选项卡下面找到“显示”。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/77094b36acaf2eddb89c2d35861001e9380193f8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
选择“显示”的“即插即用显示器”,并将页面上能能勾选的都选中,最后点击“应用”,记住别关闭这个页面。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6a600c338744ebf8f51100e3d2f9d72a6159a78e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
在同样的页面,选择“显示”的“多个显示器”选项,点击确定。就可完成设置。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d439b6003af33a87e8e364c6cd5c10385243b55b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
根据具体问题类型,进行步骤拆解/原因原理分析/内容拓展等。
具体步骤如下:/导致这种情况的原因主要是……