Question No video upon power up

Dec 12, 2019
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Hello! I have a MSI B150M Mortar motherboard with a Intel i5-7400 CPU. The system works fine, but when I try using my Radeon 7850 the Ez Debug led for VGA lights up, and nothing gets on screen. Could someone shine a light on this issue?

Ps. When I test the VGA in another system it works fine