Clacking sound computer wont turn on

[miha2]

Hello everybody. Since recent times, my computer wont start properly. It would throw me to select either which disk to load from, or reset the bios to defaults. So I did, yesterday. (While the OS was updating, upon restart, and since then, the computer wont turn on anymore.)

Yesterday, I was updating Windows to this upcoming update, which is already available. But the computer started to make some clicking sounds after restart. I first thought it was a hard drive, so I disconnected all cords to the main hdd, then to secondary. Clicking sound was still there. Then I listened where the sound may be coming from, and thought it was a gpu. Disconnected it, no luck. The sound comes from either mobo, lower left corner, where the HD audio cable connects, or psu. I don't have good equipment to test neither, and breadboarding with my h80i...

So, what I'm interested in is, are there some easy tests to check if it's a PSU or mobo? I haven't tried removing memory, but... don't see a point.

I5 4690k
Ga-z97x-sli
G.skill sniper 1866
Antec 750w platinum
Corsair H80i

OC to 4 ghz, been stable for more than a year.
If I missed something, please let me know.

One more thing that seemed to be suspicious, is that the fonts on the update screen and screen resolution, changed.

 

[captaincharisma]

if nothing like fans or the power light on the motherboard doesn't turn on then its the PSU

 

[miha2]

The fans spin just fine, and I think the power led is lit. So how do I reset the motherboard then? It won't let me go into bios. And what's that sound then?

 

[miha2]

One memory stick failed. Removed it and it starts. Will need to RMA it probably.

 

[kgt1182]

The clacking sound can be a faulty pump, a loose screw in the PSU/ a whining PSU/motherboard choke.

 

[miha2]

This is faulty motherboard, figured that out, forgot to mention. Thanks anyways.