PC turns on but screen stays black

[Oscarway2000]

Hello. I turn on my computer,Fans and everything is working but screen stays black and says No signal. And if I hit the power button to shut down the computer ,nothing happens(so I have to turn the pc off from the psu).
Specs:
AMD Phenom 2 X6 1055T
ASUS M5A78L motherboard
MSI N460GTX Cyclone
8GB ddr3 ram
Seasonic S12II Bronze 500W

 

[Oscarway2000]

Up

 

[Oscarway2000]

Solved the problem,I bought an motherboard and I5 6400 and now it works.