New build, HD7870 no picture

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joebobjrjr

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Aug 12, 2014
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I'm at a loss, guys. I just finished a new mITX build, and the graphics card, an HD7870, doesn't display a picture. The integrated GPU works fine. When we tested the graphics card in another computer, it worked fine. When we tried a 650 Ti in this computer, it worked fine. When we tried the power supply in another computer, it worked fine (even paired with the 7870). We were still able to set up Windows 8, and do everything else on the computer with the integrated graphics. I'm entirely stumped.
Full component list:
i3 2120 + stock cooler
MSI HD7870
Corsair CX500 power supply
WD Caviar Black 1tb
Asus PH77- I motherboard
Windows 8.1 64 bit
 
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monu_08

monu_08

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May 26, 2011
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hi there pls make sure u done all these thing perfectly
first check out the power supply calculator to calculate the power u want
2nd did u try putting it into anther pcie x4 slot
3rd make sure gpu have all pci express cable attach to power supply to start then fan of the gpu
then place an dvi cable back too graphic card not in motherboard vga slot
if its still not display try updating the motherboard bios and updates
if still problem wasn't solve jump into bios and disabled on board vga output to pcie so that gpu can display out of it.
Hope this Helps best of luck
 
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J

joebobjrjr

Reputable
Aug 12, 2014
7
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4,520

Sadly, no. The card has been out of warranty for a while.


I've already tried almost all of these (I couldn't try another PCIe slot as it's an ITX motherboard). As I said before though, the graphics card worked fine in another PC, even when I tried it with the power supply (which at 500 watts, is providing more than enough power). Together though, in the case and when plugged into the ITX motherboard, they don't even show up in GPU-Z, nor the device manager, though the fans spin up just fine. I tried disabling the iGPU, I've tried to reset CMOS, and I've tried all the inputs on multiple different monitors. I'll try to update the bios and give you guys an update.
 
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