PC refuses to recognize any PCIe graphics card

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A

Aurten

Commendable
Jan 17, 2017
5
0
1,510
Specs:
i7-3770K @ 3.4 Ghz
GTX Titan
Gigabyte GA-Z77X-D3H
8gb RAM
725W Power Supply

Previous owner said everything was working when they had it, removed the HDD and left everything else as is when sent. After installing Win7 on to an SSD, seemed to mostly work however the Titan didn't show up in device manager or AIDA64. Tried many things both in BIOS, hardware (Also tried GTX 780 and Quadro FX380) but it seems to default to integrated even when Primary display is set to PEG or PCI. It was using an Intel HD4000, after disabling that it reverts to Standard VGA Adapter. Any card inserted in to the PCIe slots do get power however.

I am really not sure what to try at this point apart from a BIOS update from F8 to F16
 
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A

Aurten

Commendable
Jan 17, 2017
5
0
1,510


Uninstalled the HD4000 drivers so it runs on Standard VGA adapter currently. Plugging HDMI or DVI in to the gpu like you would usually do results in no display, swapping back instantly turns display on indicating its not even trying to swap to the titan
 
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amtseung

amtseung

Distinguished
Jan 28, 2014
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19,960
I could be wrong, being unfamiliar with older bioses (bioss?bios's?) for intel stuff, but isn't there usually a setting that lets you select whether to use integrated or dedicated GPU as the primary display device in BIOS? Unless it's a laptop or has some peculiar proprietary way of active switching between the two, once set, it should stay that way.

Edit: I looked into my own bios just now, and there's this section titled "Integrated Graphics Devices Configuration" where under "Initiate Graphic Adapter", which I assume means initial graphics adapter, you can choose between IGD (integrated graphics device), or PEG. IGD forces the iGPU only and ignore any graphics card/s you may be using. This is an MSI bios, but I believe I've seen similar options on ASUS and Gigabyte boards before.
 
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clutchc

clutchc

Titan
Ambassador
Apr 22, 2009
43,150
411
131,790


yes, but have you moved the video cable to the gfx card while the system was shut down... and then booted? The BIOS needs to select the video output path.
 
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A

Aurten

Commendable
Jan 17, 2017
5
0
1,510


I have tried that with both pcie ports with both cards and with auto, PEG and PCI selected in the bios for init display with no avail

I think upgrading the bios to F16 may be the solution so I will try that when I am able, otherwise I seem to be out of options
 
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