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 方法/步骤 笔记本电脑想要做PS4的显示器，必须要有HDMI输入端口。 虽然现在笔记本基本都有hdmi接口，但是hdmi接口是分输入接口和输出接口的。 而大部分笔记本上的都是hdmi输出接口。 hdmi接口还有一部分笔记本上面是VGA接口，VGA如下图VGA和HDMI一样，分输入