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SAPPHIRE Radeon HD 7950 DirectX 11 100352-3L 3GB 384-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card

My sons SAPPHIRE Radeon HD 7950 DirectX 11 100352-3L 3GB 384-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card just stopped sending signal to PC It's been working fine sins 02/14 when we installed it. It has never iverheated or had any issues Any help appreciated Ty
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  1. Have you reset CMOS?
    What motherboard are you working with, does it have a second PCIe x16 slot for the graphics card to try in that?
  2. I have msi 970a-g43 & yes i have another slot but the graphics card is to large to fit in there due to Sata plugs on motherboard
  3. Have you tried fitting it in the second slot? From what I can see, it should (just barely) fit below the SATA ports. If the graphics card has a bulky backplate, that might be an issue but most reference cards should fit there (even with the vertical ports in use)
  4. Wow that was a tight fit but no luck Same thing monitor says no signal
  5. Blake_7 said:
    Wow that was a tight fit but no luck Same thing monitor says no signal
    Aw shucks.
    Try resetting CMOS if you haven't already.
    You might check that the PCIe cables from the PSU are showing 12V by jumping the PSU and measuring output with a multimeter. I'd suspect the PSU or graphics card at this point. IMO, one is just as likely as the other to be the problem.
  6. I tried using my other sons identical graphics card in this PC & no signal either so I'm guessing it's not graphics card issue??
  7. If by resting CMOS you mean removing the battery for 5 minutes yes I have tried it. Tested PCI E with pc on and it reads 12 on all terminals but didn't jump any Not sure how you want me to do that
  8. Best answer
    If you were able to check the power you don't need to jump it (run a PSU while not connected to anything).
    I'll suggest looking over the motherboard for any obvious signs of problems such as burnt areas (focusing on the VRM - that area between the I/O header and the CPU - there is a line of MOSFET's there) and or leaky capacitors. With all you've done and checked, it's most likely the motherboard.

    This article can help identify the VRM (if needed) http://www.geeks3d.com/20100504/tutorial-graphics-cards-voltage-regulator-modules-vrm-explained/2/ (you can ignore that it's specifically about graphics cards, the layout is similar enough)
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