Booted PC, loud pop, now it's dead :C

[Gamer_Pollution]

So, I had a half day today, so I came back from school and was booting up my PC, gonna do some work and stuff. But, after I pressed the power button, I heard this loud pop and it didn't boot up. I tried again, and I realized that it was dead. So, I opened up my side panel and started to investigate. I didn't see anything suspicious, nothing burnt or out of place on the motherboard, didn't smell anything either. So, since I was stumped, decided to ask the community.
Do you guys think that I the motherboard shorted, a blown capacitor or a failing PSU?

This PC is also only five months old also, so RMA shouldn't be a problem.

System:
CM HAF XM
i5 3570k 4.0 GHZ
CM Hyper 212 Evo
Asus P8Z77-V LE Plus
2 x 4GB Patriot Gamer 2 ram, 1600 MHZ
Corsair HX850
Crucial M4 128 GB
Seagate Barracuda 3 TB Hard Drive
Gigabyte Windforce 2X 670

Thank you!

If I put this in the wrong sub forum, my bad, didn't know where to post.

 

[jagui]

I forgot, in some motherboards USB ports receive power even when the computer is turned off, so you can charge a phone for example. And if you have Ethernet connected, you should see the green led lit. They receive power from the 5Vsb (standby) line. If you don't see any light on the Ethernet port or the USB ports don't receive power then the PSU is 100% dead.

I'll try that as soon as I get home, in about 4 hours. I'll reply back.

The multimeter is still more reliable. It would be preferable if you could get your hands on one.

 

[Gamer_Pollution]

I forgot, in some motherboards USB ports receive power even when the computer is turned off, so you can charge a phone for example. And if you have Ethernet connected, you should see the green led lit. They receive power from the 5Vsb (standby) line. If you don't see any light on the Ethernet port or the USB ports don't receive power then the PSU is 100% dead.

I'll try that as soon as I get home, in about 4 hours. I'll reply back.

The multimeter is still more reliable. It would be preferable if you could get your hands on one.

Yeah, I would assume that the multimeter is more accurate, but I can't find any. And the friendly neighbourhood Canada Computers told me that I can't borrow one for like a couple of minutes in store, unless I pay a $50 diagnosis fee -_-. Will try to see if I can buy one cheap, since I'm a poor high school student :C.

 

[Azn Cracker]

I forgot, in some motherboards USB ports receive power even when the computer is turned off, so you can charge a phone for example. And if you have Ethernet connected, you should see the green led lit. They receive power from the 5Vsb (standby) line. If you don't see any light on the Ethernet port or the USB ports don't receive power then the PSU is 100% dead.

I'll try that as soon as I get home, in about 4 hours. I'll reply back.

The multimeter is still more reliable. It would be preferable if you could get your hands on one.

Yeah, I would assume that the multimeter is more accurate, but I can't find any. And the friendly neighbourhood Canada Computers told me that I can't borrow one for like a couple of minutes in store, unless I pay a $50 diagnosis fee -_-. Will try to see if I can buy one cheap, since I'm a poor high school student :C.

Yea a cheap one will cost under $20 (some are even $10). Not too accurate, but at least it gives numbers. Does your computer store have a good return policy? Maybe u can buy one and then test, then return if its not the psu. But do keep it if it works so you dont rip off the store in both cases.

 

[Gamer_Pollution]

I forgot, in some motherboards USB ports receive power even when the computer is turned off, so you can charge a phone for example. And if you have Ethernet connected, you should see the green led lit. They receive power from the 5Vsb (standby) line. If you don't see any light on the Ethernet port or the USB ports don't receive power then the PSU is 100% dead.

I'll try that as soon as I get home, in about 4 hours. I'll reply back.

The multimeter is still more reliable. It would be preferable if you could get your hands on one.

Yeah, I would assume that the multimeter is more accurate, but I can't find any. And the friendly neighbourhood Canada Computers told me that I can't borrow one for like a couple of minutes in store, unless I pay a $50 diagnosis fee -_-. Will try to see if I can buy one cheap, since I'm a poor high school student :C.

Yea a cheap one will cost under $20 (some are even $10). Not too accurate, but at least it gives numbers. Does your computer store have a good return policy? Maybe u can buy one and then test, then return if its not the psu. But do keep it if it works so you dont rip off the store in both cases.

I would try this, but this PC was all my summer job money, and I have no money at all now. I would of bought a multimeter as soon as my pc died, if I had the cash.