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New pc turns on and off repeatedly...

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  • Components
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June 21, 2013 10:15:11 AM

Hello.

So I had ... old pc with core duo e6600 proccessor, 5750hd radeon and so on...

I got a new pc case, motherboard, cpu and a ssd... The problem is that when I connect the 5750hd gpu to the psu... the pc doesn't start... It just trys to start and restarts 1 sec after I clicked the turn on button, then it stays off for few seconds and turns on again and the same thing happens.

The setup is:
GA-Z77MX-D3H motherboard. link.
i7 3770k (not overclocked). link
Kingston (SV300S37A60G) 60GB ssd.
5750 HD asus radeon 1gb. link.
MEMORY DIMM 16GB PC12800 DDR3/HYPERX KIT2 KINGSTON ram.
Linkworld PSU LPM16-25 550W PSU.


Long story short... everything works besides the GPU. I turned off the gpu, plugged my monitor inside the internal graphics and now I'm writing from that pc, but I can't run the GPU.

My guess is that the 550W PSU is not strong enough for the new setup?

(The graphics card isn't broken or anything like that, I'm 100% because I used it 1h before getting my new pc assembled.)

More about : turns repeatedly

June 21, 2013 10:20:00 AM

Why on earth would you use such a garbage PSU with an i7? Or any PC for that matter. Just cause its cheap doesnt mean its good, its the most important part of your PC. When you blow your PC up from turning it on with that PSU, maybe then youll learn.
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June 21, 2013 10:25:11 AM

vrumor said:
Why on earth would you use such a garbage PSU with an i7? Or any PC for that matter. Just cause its cheap doesnt mean its good, its the most important part of your PC. When you blow your PC up from turning it on with that PSU, maybe then youll learn.


This, but without all the negativity. You made a mistake choosing that PSU, your GPU is a power-hungry beast of an old card and that cheap PSU is probably not actually giving you 550w, probably substantially lower.
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June 21, 2013 10:25:28 AM

vrumor said:
Why on earth would you use such a garbage PSU with an i7? Or any PC for that matter. Just cause its cheap doesnt mean its good, its the most important part of your PC. When you blow your PC up from turning it on with that PSU, maybe then youll learn.


Okay...
What PSU would you suggest?
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June 21, 2013 10:26:27 AM

It could be the PSU, let's just say that one isn't exactly reputable. Did you reinstall windows? When you replace something big like a motherboard, you cannot simply plug in your hard drive and run the same windows installation.
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June 21, 2013 10:27:33 AM

expl0itfinder said:
It could be the PSU, let's just say that one isn't exactly reputable. Did you reinstall windows? When you replace something big like a motherboard, you cannot simply plug in your hard drive and run the same windows installation.



I got a new ssd, everything is fresh new. Basically... from the old pc I only took the PSU, everything else is new, the case too.

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June 21, 2013 10:30:32 AM

ImTrueSkillZ said:
expl0itfinder said:
It could be the PSU, let's just say that one isn't exactly reputable. Did you reinstall windows? When you replace something big like a motherboard, you cannot simply plug in your hard drive and run the same windows installation.



I got a new ssd, everything is fresh new. Basically... from the old pc I only took the PSU, everything else is new, the case too.



Ok, then it likely is the PSU. You could grab something like this:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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June 21, 2013 10:34:48 AM

expl0itfinder said:
ImTrueSkillZ said:
expl0itfinder said:
It could be the PSU, let's just say that one isn't exactly reputable. Did you reinstall windows? When you replace something big like a motherboard, you cannot simply plug in your hard drive and run the same windows installation.



I got a new ssd, everything is fresh new. Basically... from the old pc I only took the PSU, everything else is new, the case too.



Ok, then it likely is the PSU. You could grab something like this:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


nbelote said:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

If that doesn't pull the required wattage, I'll eat my hat.

Edit: expl0itfinder got to it first!



So wait.. shouldn't I get more W for the i7? 500 seems not enough when a 550W one is failing...
I understand that it's old and so on... but still :X

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June 21, 2013 10:36:32 AM

ImTrueSkillZ said:
expl0itfinder said:
ImTrueSkillZ said:
expl0itfinder said:
It could be the PSU, let's just say that one isn't exactly reputable. Did you reinstall windows? When you replace something big like a motherboard, you cannot simply plug in your hard drive and run the same windows installation.



I got a new ssd, everything is fresh new. Basically... from the old pc I only took the PSU, everything else is new, the case too.



Ok, then it likely is the PSU. You could grab something like this:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


nbelote said:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

If that doesn't pull the required wattage, I'll eat my hat.

Edit: expl0itfinder got to it first!



So wait.. shouldn't I get more W for the i7? 500 seems not enough when a 550W one is failing...
I understand that it's old and so on... but still :X



You could get by on your build with a 400 watt power supply. But an EFFICIENT power supply. (80+ certified) which i guarantee, yours is not.
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June 21, 2013 10:37:50 AM

expl0itfinder said:
ImTrueSkillZ said:
expl0itfinder said:
ImTrueSkillZ said:
expl0itfinder said:
It could be the PSU, let's just say that one isn't exactly reputable. Did you reinstall windows? When you replace something big like a motherboard, you cannot simply plug in your hard drive and run the same windows installation.



I got a new ssd, everything is fresh new. Basically... from the old pc I only took the PSU, everything else is new, the case too.



Ok, then it likely is the PSU. You could grab something like this:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


nbelote said:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

If that doesn't pull the required wattage, I'll eat my hat.

Edit: expl0itfinder got to it first!



So wait.. shouldn't I get more W for the i7? 500 seems not enough when a 550W one is failing...
I understand that it's old and so on... but still :X



You could get by on your build with a 400 watt power supply. But an EFFICIENT power supply. (80+ certified) which i guarantee, yours is not.


Okay... I'll try lending another 550W PSU from my friend and try with it. If it works... I'll know that this one is screwed up and that's it.
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June 21, 2013 10:40:12 AM

Yeah, your 550w is probably pulling far below that, especially since it's not brand new. If your friend has a new 550w or an 80+ Bronze PSU then give it a shot.
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June 24, 2013 9:44:48 AM

ImTrueSkillZ said:
http://www.gigabyte.eu/products/product-page.aspx?pid=3...
I'm thinking of getting this. I know it's none of the PSU's you suggested, but I can get it at a low price and it mets the requirements(right?).
It's 80+ bronze, 620W and seems pretty fine.


Hm, I never hear good things about gigabyte when it comes to power supplies, but then again I never hear bad things either. I would still recommend sticking to xfx, corsair, antec, or seasonic. And 620w is overkill for your system.
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