1、检测一下显示器和主机之间的连接线有没有插稳,再看看显示器的电源插头有没有松动。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/38dbb6fd5266d016fd017254872bd40735fa35b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、更换显示器和主机之间的连接线,确认是不是连接线有问题。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b7fd5266d01609245e3d4e67c40735fae6cd34b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、更换显示器,确认显示器是否存在问题。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0824ab18972bd407cddf3f816b899e510fb309b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、升级显卡驱动或者卸载显卡驱动用鲁大师或驱动精灵等驱动安装软件安装一个稳定版显卡驱动。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d1160924ab18972b2322ecb6f6cd7b899e510ab6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、打开机箱,检查一下显卡与主版插槽之间的接触是否正常,可以将显卡取下来,用橡皮擦擦拭一下显卡上的金手指再重新插回卡槽,确保显卡安装到位,接触良好。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d50735fae6cd7b896574d6ff1f2442a7d9330eb6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、可以重装系统,看看能否消除黑屏问题。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/962bd40735fae6cd81ac471d1fb30f2442a70fb6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、若上述方法都不能解决电脑偶尔黑屏几秒又恢复正常的问题,可能是显卡或其他的硬件存在故障,建议将电脑拿到维修店让专业人员进行排查修复。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5366d0160924ab18610e0d4b25fae6cd7b890bb6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)