![My windows 10 laptop screen goes black when I plug in the HDMI and the secondary monitor does not have power. if the HDMI has been plugged in, the laptop also boots My windows 10 laptop screen goes black when I plug in the HDMI and the secondary monitor does not have power. if the HDMI has been plugged in, the laptop also boots](https://external-preview.redd.it/CqrPRCfDVGPlcZ8tG0VpydizU2AOgtCkrEnahi64jl8.png?format=pjpg&auto=webp&s=9145e11a9ffe04ed157a8c2186377c4c47224e77)
My windows 10 laptop screen goes black when I plug in the HDMI and the secondary monitor does not have power. if the HDMI has been plugged in, the laptop also boots
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![Games and videos bug out like this on external monitor (connected to laptop via hdmi 1.4) and goes black for about 5 seconds when entering fullscreen (these doesnt happen on built in Games and videos bug out like this on external monitor (connected to laptop via hdmi 1.4) and goes black for about 5 seconds when entering fullscreen (these doesnt happen on built in](https://external-preview.redd.it/ePCUEfJkRo25vhATKi4C6NV7_vq_R9LIuDkNB1Ggqgo.png?width=640&crop=smart&format=pjpg&auto=webp&s=c5795f41b1c3c9ac5fb945d7579ea67df2cb038c)