how can i use my gpu instead of mobo graphics

csacoa

Reputable
Apr 7, 2014
12
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4,510
i have built a pc and i've been using a vga from my mobo my gpu is msi r9 270x
i tried pluging in my vga into the gpu but the screen was just black , i've looked through my computers devices and it doesn't know it has a gpu, any help?