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New graphics card refuses to boot with computer

Tags:
  • Graphics Cards
  • Computers
  • Boot
  • Components
  • EVGA
Last response: in Components
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August 20, 2014 2:29:11 PM

So, I recently bought a EVGA 760 (upgrading from a GTX 650 Ti Boost) and I have attempted to install it. No matter how much i mess around it, it refuses to boot up with my PC, but the 650 will. My PSU is a 620 so it SHOULD boot up with no power issues. The only problem I find is with the adapters. There's two for the standard power (moldex, i think they're called?), and two 6 pin power connecters. I have no problem connecting the standard ones, but my PSU did not come with a 6 pin adapter, it only has two four pin ones. So my question is, should I buy a converter for the four pins so they can attach to the six pins, or should I get a new PSU?

My build is as follows:

GIGABYTE GeForce GTX 650 Ti BOOST 2GB
G.SKILL Sniper Series 8GB (2 x 4GB)
SeaSonic M12II 620 Bronze 620W ATX12V V2.3
Intel Core i5-3350P Ivy Bridge Quad-Core 3.1GHz
MSI Z77A-GD65 Gaming Motherbord
Thor V2 Case

This is my first question on this forum, so if I did something wrong or if I can correct this post, please tell me.

More about : graphics card refuses boot computer

August 20, 2014 2:35:18 PM

I'm confused, you said your PSU has molex and two 6-pin PCI-e connectors, but then you say your PSU didn't come with them? I apologize if I mis-read.

Either way, you have to have the 6-pin connectors (from a PSU) that are on your card, they're required to power it.

Looking at the specs of your PSU it has 1 6-pin PCI-e connector and 1 6+2 PCI-e connector which is sufficient to connect to your card.
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August 20, 2014 2:35:46 PM

Olek173 said:
So, I recently bought a EVGA 760 (upgrading from a GTX 650 Ti Boost) and I have attempted to install it. No matter how much i mess around it, it refuses to boot up with my PC, but the 650 will. My PSU is a 620 so it SHOULD boot up with no power issues. The only problem I find is with the adapters. There's two for the standard power (moldex, i think they're called?), and two 6 pin power connecters. I have no problem connecting the standard ones, but my PSU did not come with a 6 pin adapter, it only has two four pin ones. So my question is, should I buy a converter for the four pins so they can attach to the six pins, or should I get a new PSU?

My build is as follows:

GIGABYTE GeForce GTX 650 Ti BOOST 2GB
G.SKILL Sniper Series 8GB (2 x 4GB)
SeaSonic M12II 620 Bronze 620W ATX12V V2.3
Intel Core i5-3350P Ivy Bridge Quad-Core 3.1GHz
MSI Z77A-GD65 Gaming Motherbord
Thor V2 Case

This is my first question on this forum, so if I did something wrong or if I can correct this post, please tell me.



There maybe a connection issue with the Molex Adapter but most people would say get a PSU with the correct plug's. However a video card company wouldn't include these molex adapters if they wouldn't work so. Molex can be sometimes a pain in the butt to plug in good so make sure they are.
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August 20, 2014 2:36:28 PM

In short, I don't have the 6 pin plug that my GPU needs, since my PSU only has two four pin ones built in. Can I just buy an adapter for the four pin ones and will it work if I do?
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August 20, 2014 2:38:17 PM

Olek173 said:
In short, I don't have the 6 pin plug that my GPU needs, since my PSU only has two four pin ones built in. Can I just buy an adapter for the four pin ones and will it work if I do?


The adapter that came with the card should work if there properly connected. It's possible it's a bad card. Find a friend to put the card in there system. If you don't have enough connections to provide for the GPU and yes you'll need to order some. I think I was a little lost on what you said.
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a b U Graphics card
August 20, 2014 2:41:01 PM

The SeaSonic M12II 620w is modular. It comes with a bunch of different power cables. For connecting your card you need to use one 6-pin PCI-E power cable and one 6+2 pin PCI-E power cable (I'm looking at the eVGA 760 SC). These should have been in the cable bundle that came with your PSU. I have the same PSU in one of my machines, it should handle that system with the 760 no problem.
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