Hello everyone so first i had installed msi amd hd 5450 in my pc and i wanted to upgrade my pc with the rx 570 mini itx so at the time i had 500w power supply and i just bought a new one 650w falcon gaming psu and i installed it and it worked eveything was fine but when i removed my old gpu (hd 5450) and replaced it with rx 570 and booted up my pc nothing appeared on the monitor monitor is showing no signal i tried switching back to my old gpu but its the same i also tried switching back to intel hd graphics and its all the same.So i have a monitor that only uses vga output and my old cpu also had vga and hdmi but i also have a hdmi to vga adapter which i intended to use with rx 570 bcs my monitor does not have display port or hdmi so adapter worked with old gpu but with rx 570 its not working maybe its not adapter that is wrong but now nothing works i just wanted to say everything i did so you guys can understand beter please help me what should i do?
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