So my friend has been building a pc for a week and has got all his parts and everything in and the fans turn on and so does the gpu but no display and after 3 to 4 seconds of the gpu coming on the gpu fans go off there is a light and the keyboard and mouse light up.
gigabyte ga-a b350 ds3h
GeForce 1050ti
Amd athlon 3000g
kingston ssd
2x4 g ram
thank you everyone in advance.