Motherboard fans running no display on monitor

Apr 22, 2018
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Hello everyone
I just bought a new motherboard on eBay Asus P8H61-M LE couldn't find my old model P8H61-M plus 2 but this one is compatible I assembled the system with new mobo and old ram
4gb DDR3
and CPU core i3 2nd gen
And I don't have a graphics card
I'm sure I have assembled ,connected everything correctly but still I'm not getting display ( no signal) on my monitor

I have read the similar threads in this site and followed the instructions none of them seem to be helpfull