Computer won't boot, freezes shortly after boot if it does

[nebokenozo]

Been having a problem today where my computer won't boot. It'll either start running the fans but nothing else will happen, give me a message that requires me to go into BIOS settings (so far it's been overclocking failed even though I don't overclock, or that a new CPU was installed when I didn't), or boot and shut off 2 minutes later. If it does boot, it'll freeze up 1-5 minutes after booting. I'm thinking it's the motherboard but I'm not sure.
My specs are:
Sabertooth 990fx
AMD fx-9370 4.4ghz
Sapphire R9 290
16gb Corsair vengeance ram (don't remember frequency)
Corsair rm 750 modular power supply
Samsung Evo SSD
H100i liquid cooling
Haf x case
Please let me know if you have any ideas, thanks

 

[mike789]

Just an idea, check the psu, and if there are any leaks from the H100i

 

[nebokenozo]

No leaks, but how should I go about checking the PSU?

 

[mike789]

It can be done with a paper clip, check youtube, google it etc.
I did it once when i was troubleshooting a friend's build that was not booting.

 

[nebokenozo]

The PSU seems to be working fine