1、在进行投影/投屏以前，要保证手机和电视要同时处于同一个wifi环境中，这是投屏的充分必要条件。如果手机和电视都处于同一个wifi环境中的话，那么就点击手机上的腾讯视频app图标。
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2、进入到腾讯视频首页以后，在页面右下方点击【个人中心】选项。
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3、进入个人中心以后，在页面列表的菜单中单击【投电视】选项。
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4、进入到投电视页面后，在页面上可以看到电视名称，点击选中要进行投屏的电视名称。
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5、选择好投屏的电视名称以后，回到视频的主页，在主页点击选中要进行投屏的视频文件。
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6、手机上开始播放视频后，点击视频播放窗口右上角的TV图标。
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7、点击TV以后，电脑版腾讯视频就可以投屏到电视上了。
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腾讯视频电脑版全屏的操作方法：
演示版本腾讯视频11.57.4175.0
1、首先打开腾讯视频，然后再找到需要全屏观看的视频，点击一下进去，如下图所示；
2、然后再点击【全屏按钮】如下图所示：
通过上面的设置已经开启全屏。
