PC will not turn on , I replaced the motherboard and PSU and still. Nothing!

[Elmertusk]

So every time I hit the power button the fans start to spin for like a millisecond and then everything just stops and then I need to replug the PSU to start again ? What do I do , a new ram stick will be coming tomorrow just to see if that will be the problem what do you think??? And even if I take the GPU out it still happens
PC SPECS
MOBO MSI z97 krait sli
Team dark 8 gig ram
CPU i5 4670k
MSI 970
PSU evga 750 +80gold
Used a laptop HDD but going to get a new 3 tb HDD (Seagate) https://youtu.be/ldy4eYTEKbY

 

[turkey3_scratch]

It probably is the RAM, especially considering the rather unordinary brand.

 

[Elmertusk]

I really hope it is!, and not the cpu or anything , would you know why the ram could cause this much of a problem?

 

[Stysner]

I really hope it is!, and not the cpu or anything , would you know why the ram could cause this much of a problem?

It might be RAM, might also be a dead motherboard. If it doesn't stay at a certain state (like fans spinning but nothing happening, or it's beeping, or if it displays a warning code if your mobo has that), it's most likely your motherboard or PSU...

 

[lakimens]

I wouldn't count on a unknown RAM brand, but it's probably not the RAM, if it was the ram, it would probably continue spinning the fans at full speed and give off beep codes, but not shut off.
It might be the CPU, if your heatsink is not seated properly, the motherboard will turn off, to prevent burning the cpu.