显示器用HDMI转VGA接口后无信号的解决方法:
使用转接输出无信号首先可排查主板或者是显卡是否支持转接输出;
目前大部分中高端的独立显卡均不支持转接VGA接口输出;
如果转接的线材和接口不稳定或者是接触不良都会影响输出无信号;
可更换HDMI转接VGA接口的转接头看是否正常;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d50735fae6cd7b89e4d36f15052442a7d8330eec?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
如不可实现转接输出,可使用主动式带芯片的转接头可实现HDMI转接VGA输出;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/78310a55b319ebc42668220f8826cffc1e171617?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
建议使用直连输出,在启动时可按显示器上的AUTO键可自动搜索信号源输出;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9358d109b3de9c82ec3fac196681800a18d843c9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
内存损坏或者是接触不良也会导致无信号输出,可选择重新插拔内存或者更换内存插槽排查。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d1160924ab18972ba31a6a5ceccd7b899e510a07?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)