AMD Motherboards - GTX 1070 not working on A320m DGS

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GTX 1070 not working on A320m DGS

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=13827
Printed Date: 12 Mar 2025 at 7:16pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: GTX 1070 not working on A320m DGS

Posted By: MadManMuhamed1
Subject: GTX 1070 not working on A320m DGS
Date Posted: 11 Mar 2020 at 5:11am

Hello my friends! I recently upgraded my GPU from a RX 570 to a GTX 1070. I tried plugging it in, but the PC didn't post and the screen remained black. I tried it with a diffrend motherboard with the same PSU and CPU and it worked fine. What could be the reason behind this, I really don't have the money to buy another motherboard or GPU. The one I used to test the GPU was an MSI A320m Pro and all other GPUs I have work fine on my motherboard
Any help is welcome!

Specs:
GTX 1070 EVGA SC
Ryzen 5 2600
HyperX Ram @ 2667 MHz
Asrock A320m-DGS
Be quiet! Straight Power E7 500W
Kingston Barracuda 1 TB

Replies:

Posted By: ThreeDee
Date Posted: 11 Mar 2020 at 7:25am

First thing .. make sure the card is fully seated into the PCIe slot . .should get a definitive "click" when it goes all the way in..

Does it boot with the RX 570 back in it?

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|Ryzen 5 5900|ASRock X570 Taichi-BIOS 4.60|2x16GB HyperX Predator RGB 3200@3600 1:1 IF|ASRock RX 6700XT|2 x PCIe 4.0 M.2 Drives for OS & Games|850 WTT Seasonic 80+ Titanium PSU|Noctua NH-D15|

Posted By: MadManMuhamed1
Date Posted: 11 Mar 2020 at 2:17pm

Yes my RX 570 still works too. I made sure to push it in until I heard a click but with no success.

Posted By: Xaltar
Date Posted: 11 Mar 2020 at 3:29pm

Have you tried different display outputs? If you have tried HDMI then try DP or DVI.

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Posted By: MadManMuhamed1
Date Posted: 11 Mar 2020 at 8:52pm

I tried DP and HDMI, I don't have a DVI cable, so I might get one soon to try. But my PC just doesn't POST which doesn't happen with any other GPU. It's like the GPU doesn't get recognised.

Posted By: ThreeDee
Date Posted: 12 Mar 2020 at 3:22am

Posted By: MadManMuhamed1
Date Posted: 12 Mar 2020 at 11:55pm

Yes I did that too. I have no idea why it isn't working. I traded my motherboard with my friends and it worked just fine.

Posted By: ThreeDee
Date Posted: 13 Mar 2020 at 2:25am

Posted By: MadManMuhamed1
Date Posted: 13 Mar 2020 at 6:08am

The only noticable diffrence between the two motherboards is that mine has only a 4 pin connector while my friend's has 8 pins. Maybe the power delivery on the DGS is capped at 75W while the GPU needs more? This is the only plausible reason I can come up with.

Posted By: MadManMuhamed1
Date Posted: 13 Mar 2020 at 6:12am

To clarify, my RX 570 needed an 8 Pin and a 6 PIN to power it. My GTX 1070 only needs one 8 PIN for external power even tho it has a higher TDP, maybe ot relies on the PCIe slot for most of its power draw.

Posted By: Xaltar
Date Posted: 13 Mar 2020 at 7:05am

Try a different PSU, preferably one with a single 12v rail. I didn't even notice
that you are using a BeQuiet low wattage unit (sub 700w). That thing is only 500w
and splits that 500w over more than one rail which means the GPU is probably not
getting enough power from that single 8 pin. It literally can only provide 18a per
rail which means it basically can only provide 200w per rail. Not good enough for
a 1070. The board with the 8pin power is likely as you suspected providing a bit
more power through the PCIe slot but the single 8pin on the GPU should be enough
to run the card if it's getting enough amps and the board is providing it's required
75w (which is the spec so it should be).

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Posted By: MadManMuhamed1
Date Posted: 13 Mar 2020 at 3:36pm

I'm gonna try that too and podt the results here, but right now I am using my friends motherboard and it's working perfectly with the same PSU. Will try to get one and try soon.