z370 Killer sli/ac Not Recognizing GPU

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   I recently completed a build using the ASRock z370 Killer sli/ac motherboard. I've included the specs below. I've installed an EVGA Gefore GTX 1070 graphics card yet the mobo is not picking it up. I've updated the BIOS, downloaded the NVIDIA drivers and tried "enabling" the PCH PCIE ASPM Support in the BIOS. Still no recognition. Everything boots when I plug an HDMI chord directly into the mobo, but when I try plugging directly into the GPU I only get a black screen.
I'm really hoping this is a driver-related issue since this is a new graphics card. I'll be bringing the card over to a friend's house to see if the card can be read in his PC, but in the meantime does anyone have any ideas?

CPU: Intel i5 8400
Mobo: ASRock z370 Killer sli/ac
GPU: EVGA Geforce GTX 1070
OS: Windows 10

Edited by mcflurry8706 - 21 Aug 2018 at 3:05am

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mcflurry8706 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Aug 2018 Status: Offline Points: 6	Post Options Post Reply Quote mcflurry8706 Report Post Thanks(0) Quote Reply Topic: z370 Killer sli/ac Not Recognizing GPU Posted: 21 Aug 2018 at 3:04am
	I recently completed a build using the ASRock z370 Killer sli/ac motherboard. I've included the specs below. I've installed an EVGA Gefore GTX 1070 graphics card yet the mobo is not picking it up. I've updated the BIOS, downloaded the NVIDIA drivers and tried "enabling" the PCH PCIE ASPM Support in the BIOS. Still no recognition. Everything boots when I plug an HDMI chord directly into the mobo, but when I try plugging directly into the GPU I only get a black screen. I'm really hoping this is a driver-related issue since this is a new graphics card. I'll be bringing the card over to a friend's house to see if the card can be read in his PC, but in the meantime does anyone have any ideas? CPU: Intel i5 8400 Mobo: ASRock z370 Killer sli/ac GPU: EVGA Geforce GTX 1070 OS: Windows 10 Edited by mcflurry8706 - 21 Aug 2018 at 3:05am

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8592	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 21 Aug 2018 at 10:38am
	Dear Mcflurry8706, Thank you for choosing ASRock. Regarding your case, we have built a system to check, VGA card can be detected properly. System configuration: CPU: i5-8400 M/B: Z370 Killer SLI/AC BIOS P3.10 GPU: EVGA GTX 1070 OS: Windows 10 Please try to install the VGA card to another PCIe slot to check. If possible, try to install the VGA card to another PC to make sure the card is working. Thank you! Yours truly, ASRock TSD

mcflurry8706 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Aug 2018 Status: Offline Points: 6	Post Options Post Reply Quote mcflurry8706 Report Post Thanks(0) Quote Reply Posted: 23 Aug 2018 at 10:23am
	Hi, So I have brought my VGA card to another PC and the card is functioning properly. Since then I've updated all of my drivers and tried the card in both PCIe slots. This appears to be an issue with the motherboard itself. Any suggestions?