[SOLVED] No video signal with new and old motherboard

Jul 24, 2019
Hi, i bought new components and all properly connected. All components seems to be working well, fans are spinning, leds are working, no beeps sounds but no video signal. Then i tried breadboarding but was the same no video signal error.

i tried with the old pc with just psu, cpu, ram and mb and all works (including video). When i put it in the case and turn on i had the same problem with no video signal like was in the new one. Now i got to mb with the same problem. I don't know if i screw up with both mb when i put it in the case. Hope there is a solution and i will be waiting for your responses and comentaries. If you need any other information just let me knok. Thanks!!!

old pc
mb asus p8z77m pro
cpu i7 2600
ram adata 1333 4x8gb
gpu 1070ti
psu evga 600w certified

new pc
mb asus rog strix z390-e
cpu i7 9700k
ram corsair rgb pro 3200hz 2x8gb
gpu 1070ti
psu evga 600w certified