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New build wont start..

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June 28, 2013 7:12:22 PM

So I have been trying to figure out whats wrong with this system for 2 days.

Intel I5-4670k
Gigabyte Z87X-UD4H
Gigabyte GTX 770OC-4GB
EVGA NEX650G
2 X 8GB Ballistix DDR3-1600

So, I put everything together and tried to power it up. It spun for half a second and then shut off. I tried taking out 1 part at a time to see what was holding it back and got down to the motherboard and still nothing. I know the motherboard is getting power though because the power button on the MOBO is lighting up.

I took the motherboard back and exchanged it for a new one. I put everything back together tonight and still the same thing..It spins up for a moment and then shuts off..I really dont know what it could be, any suggestions?

Im starting to think it could be the PSU but I dont know.

More about : build wont start

a b V Motherboard
June 28, 2013 7:21:02 PM

um, explain exactly how you "put everything together", or give us a few pictures... maybe you didn't actually put everything together and missed something?

also, which lights flash red on your motherboard before it shuts off?
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June 28, 2013 7:45:28 PM

I would do the following:
1. Disconnect the EVGA NEX650G graphics card from the motherboard and power on the system.
2. If that fails, make sure your 2 RAM are connected in the right slots. Refer to the motherboard book that came with your motherboard
3. make sure the CMOS battery is seated properly. If you take this battery out and put back in, you will need to reconfigure your BIOS settings (date, clock, etc.)
4. have you put thermal paste on the CPU before putting on the heatsink?
5. did you make sure the power cable is connected near the CPU?

Power on the PC and check to see on the motherboard a small LED red light. The red light indicates where it stops and failure is. There should be some small letters next to the LED. You will need to research what that is.

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June 28, 2013 7:50:47 PM






^The red is the lights that come on. Also the power button on the motherboard is lit up constantly if the PSU is on.
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a b V Motherboard
June 28, 2013 7:53:52 PM

Does the LED display any number(s) at all?
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a b V Motherboard
June 28, 2013 7:55:36 PM

Make sure the 4 pin CPU connector is in.

Could be a bad PSU.
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a b V Motherboard
June 28, 2013 8:02:02 PM

there also seem to be no fan on your CPU heatsink, add a fan or it'll overheat and down throttle
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June 28, 2013 8:07:21 PM

vmem said:
there also seem to be no fan on your CPU heatsink, add a fan or it'll overheat and down throttle


Sorry about that. When I tried to turn it on I had the fan on it. I just took that off for the pictures.

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a b V Motherboard
June 28, 2013 8:39:16 PM

Jkether said:
vmem said:
there also seem to be no fan on your CPU heatsink, add a fan or it'll overheat and down throttle


Sorry about that. When I tried to turn it on I had the fan on it. I just took that off for the pictures.



same question as ur6beersaway then, what numbers/letters, if any, do the red LEDs display before the computer shuts off?
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June 28, 2013 8:44:37 PM

Man, I feel for you bro. I will be getting the rest of my parts for my first build in a couple weeks and have been driving around town looking for old ladies to help cross the street for good karma. I have confidence that these very helpful guyz will help you through this and hope you get it running tonight.
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June 28, 2013 8:48:17 PM


^This is the symbol I get from the LED..It almost looks like a C but not quite.
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June 28, 2013 9:10:35 PM

I'm having the same issue. On my second motherboard and the issue still remains. Seems like a short but all of the standoffs were installed correctly.
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June 28, 2013 9:51:19 PM

^Same here. I know my stand offs are good.
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June 28, 2013 9:58:38 PM

I just breadboarded everything. Issue still persists. The MBIOS LED flashes and I get the same symbol you indicated above. I cannot find a reference for the meaning of this code.
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June 28, 2013 10:03:08 PM

Yeah man, Im going to take my PSU back tomorrow and exchange it. A lot of things I have read say it may be that.
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June 28, 2013 10:11:28 PM

Jkether said:
Yeah man, Im going to take my PSU back tomorrow and exchange it. A lot of things I have read say it may be that.


Let me know if the new PSU resolves the issue. I had my PC Power & Cooling Mk III 750w tested at a local shop and they said it was fine. I ordered a tester off eBay to check myself but its about a week out.
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June 28, 2013 10:15:11 PM

bmbrns88 said:
Jkether said:
Yeah man, Im going to take my PSU back tomorrow and exchange it. A lot of things I have read say it may be that.


Let me know if the new PSU resolves the issue. I had my PC Power & Cooling Mk III 750w tested at a local shop and they said it was fine. I ordered a tester off eBay to check myself but its about a week out.


Will do. I may take my CPU back as well depending on what else I hear from people tonight.

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a b V Motherboard
June 28, 2013 10:34:44 PM

Jkether said:
bmbrns88 said:
Jkether said:
Yeah man, Im going to take my PSU back tomorrow and exchange it. A lot of things I have read say it may be that.


Let me know if the new PSU resolves the issue. I had my PC Power & Cooling Mk III 750w tested at a local shop and they said it was fine. I ordered a tester off eBay to check myself but its about a week out.


Will do. I may take my CPU back as well depending on what else I hear from people tonight.



if you think you can, maybe take the whole thing to the PC shop. they should be willing to help you resolve the issue as you're exchanging all the parts costs them money too. maybe you guys can set up a make-shift test-bed in a backroom somewhere and test parts until you narrow it down?
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June 29, 2013 12:26:43 AM

The ram closest to the cpu looks like it is not properly seated like the one located furthest away from the cpu. try reseating the ram. make sure you hear both clicks
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June 29, 2013 10:21:45 AM

I figured it out. The EVGA PSU is not compatible with Gigabyte boards or Haswell CPU's apparently. I exchanged it for a Corsair HX850..It booted up without any problems. I appreciate everyones help!
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June 29, 2013 10:28:30 AM

Jkether said:
I figured it out. The EVGA PSU is not compatible with Gigabyte boards or Haswell CPU's apparently. I exchanged it for a Corsair HX850..It booted up without any problems. I appreciate everyones help!


Glad you fixed the issue. Too bad I know mine are compatible... the troubleshooting continues
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a b V Motherboard
June 29, 2013 11:00:44 AM

Jkether said:
I figured it out. The EVGA PSU is not compatible with Gigabyte boards or Haswell CPU's apparently. I exchanged it for a Corsair HX850..It booted up without any problems. I appreciate everyones help!


Corsair rules!! cheers

PS. I guess that symbol means "change out the POS power supply".:p 
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a b V Motherboard
June 29, 2013 9:26:30 PM

glad you figured it out. it's a strange issue though. EVGA generally have decent PSUs
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a b V Motherboard
June 29, 2013 9:36:52 PM

Anything can be bad regardless of manufacturer.
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!