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Computer will only post iff Graphics Card is not plugged in.

Let me start off by saying that I have RMA'd the graphics card and am having the same issue with the replacement. I also replaced my off-brand 550W PSU with a 430W Corsair.

When I start up my computer without the graphics card plugged into the motherboard, I start up 100% fine. Once I plug the graphics card in, the heat sink and graphics card fans will spin for a couple seconds, then stop. The computer will not post.

At this point I am feeling like there must be some sort of short on my motherboard with the PCI express slot? Not really sure and wondering if you guys have any ideas.... Help is 100% appreciated...

System

Mobo: MSI H61M-E33
http://www.newegg.com/Product/Product.aspx?Item=N82E16813130588

CPU: Pentium G620 Sandy Bridge 2.6GHz
http://www.newegg.com/Product/Product.aspx?Item=N82E16819116399

Graphics Card: Radeon HD 6670 2GB
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125430

Ram: 2x4GB DDR3 1333
Hard Drive: 1TB 7200RPM
Other Drives: 1 DVD RW

PSU: CORSAIR Builder Series CX430 430W ATX12V v2.3 80 PLUS BRONZE Certified
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026
4 answers Last reply Best Answer
More about computer post iff graphics card plugged
  1. You listed everything except what graphics card
  2. getochkn said:
    You listed everything except what graphics card


    My appologies, this has been added/updated in the OP.... Thank you for taking a look at my issue. 100% apprecaited!
  3. Best answer
    Check that the h61 motherboard bios is up todate to rule out a bios bug.
    On the mb check that the four or eight pin pci power plug on the mb is plugged in. In the bios turn on muilt monitor support and see if the gpu is seen in windows. If it works set the bios to boot from gpu as first output. Check that the mb is not shorting out to the mb tray when the video card is plugged in.
    Check to see if the mb parts are hitting the gpu. Check the mb shield is not shorting out your pc.
  4. Thank you. Updating Bios did the trick and my computer was able to start up and utilize my card. Saved me the $250 I was gonna spend on a new mobo (with new cpu). Thanks!
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