Help wont boot fan spin once and stop

Aug 2, 2018
1
0
10
Hi i just finished building my pc, it worked fine overnight and when i woke up the pc was turned off. So i tried turning it back on and it wont start the fans spin fo a second and stop. the motherboard also lights up. i already checked the cables.removed cmos battery and still nothing. please help me.

i7 8700k
gskills 16gb ram
noctua dh15
samsung evo 500ssd
evga 650 watts gold psu

and im planning to wait for the buy the 11x series for nvidia or the 1080ti is my psu enough. thanks