Computer does not recognize Graphics Card

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ripharambe

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Jun 30, 2016
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Hello, I'm a newcomer to PC building, but I managed to build my first system. However, the computer will not recognize my GeForce GTX1080 FE graphics card, and instead uses the integrated graphics card in my mobo. The thing is, the BIOS seems to recognize that a graphics card is indeed placed in the mobo; however I cannot switch to it whatsoever.

(My Graphics card is placed in PCIEx16_1 (it says it even in the BIOS); however, there is no option to switch to that, and I can only choose PCIEx1_1 although nothing is placed in there. )
My spec is an Asus Z170-A and a Gigabyte Geforce GTX 1080 FE graphics card.
Appreciate your help!
 
Solution
monsta
Ok firstly check windows update as it may need a driver installed from there, it happens with new hardware even if you have installed the latest Nvidia driver.
You can always go into the bios and select pci-e as your primary graphics, make sure you then plug the video cable you are using hdmi/DP etc into the graphics card, reboot if there is no signal.
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monsta

monsta

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Jun 26, 2008
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Ok firstly check windows update as it may need a driver installed from there, it happens with new hardware even if you have installed the latest Nvidia driver.
You can always go into the bios and select pci-e as your primary graphics, make sure you then plug the video cable you are using hdmi/DP etc into the graphics card, reboot if there is no signal.
 
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Solution
Wayfall

Wayfall

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Dec 27, 2013
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Well for issues with graphics cards I have always kept my old GTX 650 to one side just in case I need to test a board.

"(My Graphics card is placed in PCIEx16_1 (it says it even in the BIOS); however, there is no option to switch to that, and I can only choose PCIEx1_1 although nothing is placed in there. )"
This may be because it is already using the x16 so it will not show it.

I have noticed you have not stated what your PSU is. The GTX 1080 GPU requires a 500W PSU or more and for a 6 pin PCI Express power connector and 8 pin PCI Express power connector from the PSU to be plugged into the GPU.
Here's a picture as an 'example' of where the power cables go: https://www.google.co.uk/search?q=GTX+970+PCIE+pins+socket&safe=strict&rls=com.microsoft:en-GB:IE-Address&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjv4I_jvNnNAhVJI8AKHYTTBXEQ_AUICSgC&biw=1422&bih=950&dpr=0.9#imgrc=zbELWanN5HuKXM%3A (the GTX 970 has the same PSU requirements and cables as a GTX 1080)

Have you:
-Plugged in the PCIE power if it requires it (there are PCIE power cables on the PSU which you then plug into the GPU)
-(Shouldn't need to do this usually) Switched primary display adapter from Auto/Onboard to PCIE in the BIOS chipset settings
-(This fixed one of my cards) Change PCI GEN in chipset settings to 2.0 (this has no performance downside)
 
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ripharambe

Commendable
Jun 30, 2016
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The PSU I'm using is 850W so that shouldn't matter at all. As far as I know there is no other "display setting" in my BIOS other than "look at what's connected in PCI" and "change to the PCI of your choosing"... Unless I'm blind I couldn't find any other display settings.. Sorry I'm just very new in this PC building.
 
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cheese9k

cheese9k

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Jan 7, 2013
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" The PSU I'm using is 850W so that shouldn't matter at all. As far as I know there is no other "display setting" in my BIOS other than "look at what's connected in PCI" and "change to the PCI of your choosing"... Unless I'm blind I couldn't find any other display settings.. Sorry I'm just very new in this PC building. "

To help you out here it would be great to know the brand of PSU/model. All PSUs aren't created equally and some lower end PSUs can produce errors like what you're seeing.

Could you also confirm you're plugging your monitor cables directly into the graphics card rather than the motherboard?
 
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Wayfall

Wayfall

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Dec 27, 2013
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You have not said if you have plugged the PCIE power connecters in.

Also what is the name of your PSU? as it doesn't matter if it 500-800 or even 1000w as if it is made of cheap parts then it wont be transferring the power it should do also it has a higher change to burn out that a PSU with well made parts.
 
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ripharambe

Commendable
Jun 30, 2016
13
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1,510

My PSU is XFX PRO 850W Gold
Also I have plugged in my monitor cables onto the graphics card directly.
 
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