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

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April 30, 2013 10:23:16 AM

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.

More about : booted loud pop dead

a b ) Power supply
a b V Motherboard
April 30, 2013 10:28:05 AM

wow thats unfortunate. most likely the power supply. Which one where you using?
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a b ) Power supply
a b V Motherboard
April 30, 2013 10:28:38 AM

PSU time, hope it didn't take anything else.
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Related resources
April 30, 2013 10:29:20 AM

Azn Cracker said:
wow thats unfortunate. most likely the power supply. Which one where you using?

Which power supply? A Corsair HX850.
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April 30, 2013 10:30:34 AM

ur6beersaway said:
PSU time, hope it didn't take anything else.

I am hoping it didn't. I'm going to try and borrow a PSU from a friend or bring it into the store I bought the components from to see if they can lend me a power supply to test everything.
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a b ) Power supply
a b V Motherboard
April 30, 2013 10:34:05 AM

Let us know how you make out.
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April 30, 2013 10:38:57 AM

Gamer_Pollution said:
Azn Cracker said:
wow thats unfortunate. most likely the power supply. Which one where you using?

Which power supply? A Corsair HX850.


Im sure you will be fine, quality power supplies rarely take out other components when they fail
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a c 137 ) Power supply
a c 160 V Motherboard
April 30, 2013 10:42:02 AM

Although that would normally be quickly associated with a PSU failure, with an HX850, I might also suspect the motherboard's VRM. Having access to a known working PSU is a big plus here for troubleshooting.
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a b ) Power supply
a b V Motherboard
April 30, 2013 10:57:32 AM

did you try another outlet?
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April 30, 2013 11:15:15 AM

swifty_morgan said:
did you try another outlet?

I tried another outlet, and another surge protecter, and another power cable. Still doesn't boot.
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April 30, 2013 11:20:20 AM

C12Friedman said:
Although that would normally be quickly associated with a PSU failure, with an HX850, I might also suspect the motherboard's VRM. Having access to a known working PSU is a big plus here for troubleshooting.

How would I check out the VRM without having access to a working PSU right now? All I got is my HX850, which looks pretty dead right now.
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a c 137 ) Power supply
a c 160 V Motherboard
April 30, 2013 11:44:38 AM

You would need to remove the motherboard to look for marks on the underside of the VRM area. I might suggest using this guide http://seasonicusa.com/RMABeta/JumpStart/JS.pdf to check the PSU operation also
edit: ignore that it's from seasonic
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April 30, 2013 11:52:26 AM

C12Friedman said:
You would need to remove the motherboard to look for marks on the underside of the VRM area. I might suggest using this guide http://seasonicusa.com/RMABeta/JumpStart/JS.pdf to check the PSU operation also
edit: ignore that it's from seasonic

Aight, I'll take out the motherboard from my PC as soon as I can and reply back.
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April 30, 2013 12:05:39 PM

C12Friedman said:
You would need to remove the motherboard to look for marks on the underside of the VRM area. I might suggest using this guide http://seasonicusa.com/RMABeta/JumpStart/JS.pdf to check the PSU operation also
edit: ignore that it's from seasonic


Ok, I just removed the motherboard from my PC. I don't see any marks of any kind by the VRM, or on the backside where the VRM is located. Also, on my Asus motherboard, it is labeled Digi VRM, so I'm going to assume that is what you meant.
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a c 137 ) Power supply
a c 160 V Motherboard
April 30, 2013 12:11:48 PM

Try the paperclip jump on the PSU (the seasonic guide), see if the PSU fan turns on at all
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April 30, 2013 12:29:32 PM

C12Friedman said:
Try the paperclip jump on the PSU (the seasonic guide), see if the PSU fan turns on at all


Nope, the PSU fan didn't turn. Nothing happened at all. Probably a died PSU.
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a b ) Power supply
a b V Motherboard
April 30, 2013 12:34:55 PM

check the switch on the back of the supply.
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April 30, 2013 12:37:16 PM

swifty_morgan said:
check the switch on the back of the supply.

Did, flicked that a bunch of times also.
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April 30, 2013 12:37:44 PM

If you have a multimeter check the 12V and 3.3V pins (orange and yellow cables on 20-24 motherboard pin connector) for voltages. Some PSU fans don't spin until they hit high temps. Also very important check the 5Vsb cable (purple one)
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April 30, 2013 12:43:59 PM

jagui said:
If you have a multimeter check the 12V and 3.3V pins (orange and yellow cables on 20-24 motherboard pin connector) for voltages. Some PSU fans don't spin until they hit high temps. Also very important check the 5Vsb cable (purple one)

Unfortunetly, I don't have a multimeter. Gonna see if the friendly neighbourhood Canada Computers might let me borrow one/test it for me for free.
*Edit* called them, said I have to pay for diagnosis. $50. Aw hell nah *Edit*
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a b ) Power supply
a b V Motherboard
April 30, 2013 1:27:06 PM

warranty....................
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April 30, 2013 1:43:43 PM

swifty_morgan said:
warranty....................


I know I have a warrenty, but, I would have to pay for shipping it to Corsair, and if the motherboard ended up being the problem, I would of wasted $20+ bucks for international shipping (Canada to US) and up to 3 weeks of waiting. Then, I would have to RMA the motherboard. Better to figure out what is wrong first.
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April 30, 2013 1:59:10 PM

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.
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Best solution

a c 137 ) Power supply
a c 160 V Motherboard
April 30, 2013 2:41:22 PM

Gamer_Pollution said:
C12Friedman said:
Try the paperclip jump on the PSU (the seasonic guide), see if the PSU fan turns on at all


Nope, the PSU fan didn't turn. Nothing happened at all. Probably a died PSU.


With that information, you can safely pronounce the PSU dead - I'd say do the Corsair RMA
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May 1, 2013 8:39:59 AM

jagui said:
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.
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May 1, 2013 12:29:09 PM

Gamer_Pollution said:
jagui said:
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.

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May 1, 2013 12:39:19 PM

jagui said:
Gamer_Pollution said:
jagui said:
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.
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a b ) Power supply
a b V Motherboard
May 1, 2013 10:40:09 PM

Gamer_Pollution said:
jagui said:
Gamer_Pollution said:
jagui said:
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.

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May 2, 2013 2:03:58 PM

Azn Cracker said:
Gamer_Pollution said:
jagui said:
Gamer_Pollution said:
jagui said:
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.
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