Question Displaying an output, do you need a gpu or integrated graphics (Apu)?

Dec 21, 2019
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I decided to check some of my components outside the case and see if they were working. Then I had the issue of my monitor not detecting anything via hdmi which is connected to the motherboard. The cpu fan works and the rgb is lit as well as the motherboards rgb. I don't have a graphics card as of yet and my cpu does not have any integrated graphics. Now I am wondering is the issue due to me not having any sort of graphics in the form of an Apu/Gpu causing this to happen.