电脑连接海信电视具体步骤如下:
1、准备一根VGA连接线,使用这种类型的连接线可以把电脑上的屏幕显示同步到海信电视上。
![](https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a7ecdb6cbbde43ad4bd01302d2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、找到电脑上的VGA插口,将VGA线的一端连接到电脑上的VGA口。
![](https://iknow-pic.cdn.bcebos.com/d000baa1cd11728b3306fa3dc7fcc3cec3fd2c81?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、找到海信电视上的VGA口,将VGA的另一端连接到电视上。
![](https://iknow-pic.cdn.bcebos.com/18d8bc3eb13533fa7ecb0230a7d3fd1f41345bab?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、打开海信电视,在电视的遥控器上点击【信号源】。
![](https://iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1fbe6b32243f4e251f95ca5f4a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、在【信号源】菜单中选择【VGA】,进入VGA视频同步模式。
![](https://iknow-pic.cdn.bcebos.com/aa64034f78f0f736099e3b1e0555b319ebc41348?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、电脑分辨率选择【1280*720】,这个是观看720P视频的比较合适的分辨率,然后在电脑上选择合适的电影文件播放,就可以在海信电视上同步观看电影了。
![](https://iknow-pic.cdn.bcebos.com/14ce36d3d539b600338279a8e650352ac65cb764?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)