Why won’t my PC boot up?

[Joeciampa1]

Hey guys, this is my first time in this forum. I built my own PC about six months ago, and it’s worked fine up till now. Last week however, when I turned it on and my RGBs lit up and my fans started turning, but nothing came up on the monitor. I’ve tried using different monitors and HDMI cords, but nothing’s worked. I’m fairly certain that the issue lies within my case, but I have no idea what it is. I’ve tested the PSU and it’s working, and I think it’s unlikely that both RAM modules would fail at the same time. The night before, it was working fine, but the next morning it won’t even reach the BIOS screen or POST. Plz help?

 

[drivinfast247]

Post PC specs.

 

[Joeciampa1]

Post PC specs.

Gtx 1070
Core i5 8600k
16gb ddr4 2666 Mhz
Corsair h100i cpu cooler
Corsair Spec Omega chassis
EVGA 650 G+ psu
ASUS TUF Z370 plus gaming motherboard

 

[drivinfast247]

Remove to GPU and plug the monitor into motherboard.

 

[Joeciampa1]

Remove to GPU and plug the monitor into motherboard.

I already tried, I also plugged the HDMI into every port in the gpu. Nothing made a difference

 

[drivinfast247]

Are you sure the PSU is good?

I'd reseat the CPU and RAM.

 

[Joeciampa1]

Are you sure the PSU is good?

I'd reseat the CPU and RAM.

I used a volt meter to check the psu, and I’ve tried reseating the RAM but not the CPU. I’ll try that tonight. Thanks for the help!