把电脑主机连接到电视机屏幕上的步骤如下:<br>1,首先先准备好一根VGA连接线和一根一分二音频连接线。<br><img src="https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a735f63801dd43ad4bd013029e?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br><img src="https://iknow-pic.cdn.bcebos.com/00e93901213fb80ef925a4733ad12f2eb838949a?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>2,先连接VGA线,找到机箱背面如图示的插孔,插入VGA线的一端。<br><img src="https://iknow-pic.cdn.bcebos.com/d1160924ab18972b30e5c56eeacd7b899f510ab3?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>3,之后找到电视机背面的(PC)插孔,插入另一端VGA线,VGA显示连接完成。<br><img src="https://iknow-pic.cdn.bcebos.com/c83d70cf3bc79f3d3ce82094b6a1cd11728b290d?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>4,接下来连接音频线,找到机箱背面的三个音频插孔,注意:只在蓝色插孔中插入音频线上的黑头,剩余两个插孔不插插头。<br><img src="https://iknow-pic.cdn.bcebos.com/f603918fa0ec08fa6205d70355ee3d6d55fbda09?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>5,接着在电视机背面,找到AUDIO两个L,R音频插孔,注意:在白色插孔插入白头,红色插孔插入红头,千万不可混淆。插入以后,音频线连接完成。<br><img src="https://iknow-pic.cdn.bcebos.com/5243fbf2b2119313d8453b1469380cd791238d14?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg" max-height="200"><br>6,VGA线和音频线连接完成,电脑主机与电视机连接成功。