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hdmi连接投影仪无信号该怎么处理

2025-02-12 15:41:51

推荐回答（1个）

回答1：

无信号可能有很多问题引起。
首先确认是什么问题引起的，
1：比如是否HDMI先过长了。一般HDMI线最长距离是15M左右。再长信号就衰减的厉害。
2：是否分辨率不兼容，很多投影仪是16：10宽屏，但是很多输出是16:9.这也是引起的一方面需要去调节分辨率
3：检查一下HDMI设置，另外检查一下HDMI线材是坏的吗。

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