1、先打开设备管理器找到显示适配器,在显示适配器的扩展栏中找到你所用的是集成显卡还是独立显卡。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/472309f790529822121edeacdbca7bcb0a46d4b4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、然后先将电脑关机,等待一会。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b17eca8065380cd71d984682ad44ad34588281df?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、然后将显示器也关闭了,断开所有外部电源。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b3119313b07eca80ef85dd889d2397dda04483d9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、转到机箱后部,机箱后部的插口如下图。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0df3d7ca7bcb0a4694c96f566763f6246a60aff2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、如果你使用的是集成显卡,你的显示器插口是这个位置的,将这个插口拔下来,在拔下来之前,要先把两边的螺帽拧松,随便轻轻灰尘,然后再插上去,之前的问题实际上就是这个插口松动了。插上去的时候也别忘记了拧紧螺帽。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0bd162d9f2d3572c58b57bb38613632762d0c30e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、如果你使用的是独立显卡。那么你的插口是下图的两个,一样拔下来,然后清灰插上去就好了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/cdbf6c81800a19d87200636a3ffa828ba61e465a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)