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Built PC won't boot.

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  • Boot
  • Homebuilt
  • Components
Last response: in Components
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April 7, 2014 3:21:14 AM

Hello

I finally got my last parts for my PC yesterday, put everything together but it doesn't boot.
Here's my previous thread just to give you an idea of the situation:

http://www.tomshardware.co.uk/answers/id-2061254/buildi...

After this i just added a sound card, 2 HDD's, a DVD/CD reader and 2 8gb DDR3 1866 ram cards.
Now when i try to power it up i'm back at 0, nothing happens except from some fans running occasionally for a couple of seconds.

Any idea's?

More about : built boot

April 7, 2014 3:24:21 AM

Edit: How big is your PSU and what is your complete list of parts?

Someone even asked you that in your other thread and you ignored them. They might have been able to help.
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a c 94 B Homebuilt system
April 7, 2014 3:34:17 AM

Yup. Full specs needed.

Also, go through here. 'Everything seems fine' is a pretty vague response.
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April 7, 2014 3:34:33 AM

Heironious said:
Edit: How big is your PSU and what is your complete list of parts?


As it is right now:
PSU: XFX Pro850W
Mobo: Fatal1ty Z87 Killer
CPU: Intel i5-4670
CPU Cooler: CM Hyper T4
RAM: 2x G.Skill Sniper 4gb DDR3 1866 CL9
Sound: Xonar DX/DX/A
HDD: Seagate 500gb & Seagate 250gb
DVD/CD
Fans: 1 Front (Came with case), 1 Back (Came with case), 2x Corsair

I indeed ignored that in the other thread, only because at that time i didn't have all parts yet and everything was ok for as far as it should have been at that point.
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April 7, 2014 3:46:32 AM

Someone Somewhere said:
Yup. Full specs needed.

Also, go through here. 'Everything seems fine' is a pretty vague response.


Went over that list several times, the only thing ringing a bell is the mobo power cable running under the mobo.
I don't think it is this though, the cable seems fine and before i installed the last components i could power it and all the fans would spin untill i stop the power supply.
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April 7, 2014 4:13:07 AM

Lets be clear PSUs shut down for a reason.
New stands for Never Ever Worked.
When building a system, components are not added all at once and hope for the best.
Everything is suspect until it actually works.
More than one thing can be the cause.
Why do you have a power cable running under the MB? anyway?
Install a minimum number of components and with a minimum number of cables connected ie no extra USB or Fans connecting to the case and no cables supplied with the case like drive cables.
Once you get that working add one new item/connection at a time.
Does the cooler require a backing plate? they can cause shorts on the first memory slot on some MBs.
You must build on success.
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April 7, 2014 4:23:56 AM

rwinches said:
Lets be clear PSUs shut down for a reason.
New stands for Never Ever Worked.
When building a system, components are not added all at once and hope for the best.
Everything is suspect until it actually works.
More than one thing can be the cause.
Why do you have a power cable running under the MB? anyway?
Install a minimum number of components and with a minimum number of cables connected ie no extra USB or Fans connecting to the case and no cables supplied with the case like drive cables.
Once you get that working add one new item/connection at a time.
Does the cooler require a backing plate? they can cause shorts on the first memory slot on some MBs.
You must build on success.


The step by step building is pretty much the way i did it.
The PSU is indeed new but it ran perfectly a couple of weeks ago while testing and has since then just been sitting in my rig waiting for the parts i got yesterday. The cable is running under the mobo for a minimum of cable management. There is a backplate to the CPU cooler yes, but it was also there while testing a couple of weeks ago and everything at least powered up.

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a c 94 B Homebuilt system
April 7, 2014 4:25:06 AM

If you read the thread, it tells you to breadboard it. Do that.
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April 7, 2014 4:55:26 AM

Someone Somewhere said:
If you read the thread, it tells you to breadboard it. Do that.


Breadboarding led to the CPU fan spinning untill i cut off the power. Everything seems "fine" again.
Will re build piece by piece and post when i hit the problem. Thanks so far.
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April 7, 2014 6:53:58 AM

Ok seems like everything works for some reason.
Now when i boot it up it says i can't use the a channel memory slots, putting both in the b slots works, but when i wanna dual channel them with either a1 with b1 or a2 with b2 it says the channel a memory can't be used and that i should unplug the memory in a and plug it back in but same story after doing that.

Update: I loosened the CPU cooler to see if it wasn't interferring with the memory slots and with the cooler loose the RAM seems to work fine.
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