Gigabyte Z370 Aorus Gaming 5 - not detecting Zotac 1070 GTX

cortr · Dec 6, 2017

I've just put together a mostly new system, really the only thing that isn't new is the fairly new Zotac 1070 gtx I just pulled out of my old desktop (it worked fine).

I slapped it into the new motherboard, hooked up the two 8 pin connectors, and started up the system with a HDMI cable plugged into the onboard video. Windows setup came up, installed windows, then checked device manager - no card detected.

Tried to install drivers anyway but the nvidia drivers don't detect the hardware either. I've since swapped PCI slots for the card, fiddled with the startup display setting in the bios, and am not really sure what else to do.

I am certain the card is fine, as it still works in my old system.

Any thoughts?

UPDATE: While I'm at it, a little question on the BIOS - I got two DDR4 16 gigabyte sticks (they're Corsair, 3200mhz) and have stuck them into the 1 and 3 ram slots. In the BIOS, it's detecting them as 2133mhz. There's a left and right column for the speed setting, which is greyed out, and they both read 2133mhz. If I go to the top line on the page (Extreme Memory Profile) and set it to Profile 1, it then changes only the left hand column to 3200mhz. I'm assuming the right hand column would be if I got 2 more sticks of memory - does this seem right? Anyhow, quite a bit more concerned about the gpu at present.

rocktalkrock · Dec 6, 2017

Try moving the ram sticks to slots 2 and 4.

jr9 · Dec 6, 2017

Graphics card issue: I would start by ensuring that the card is properly seated and no gold is showing. After that, hook up the display to the card and try to get into your BIOS settings with the card hooked up to the monitor. If you still get a blank screen, hook it back up to the onboard video and try to find a setting to select which video input/card to use and see what it says.

The graphics card can run with no drivers in a limited capacity. The idea here is to figure out if the card is working in your system at all.

RAM Issue: Do you know your motherboard name?

Edit: Sorry missed that in the thread title. That board supports RAM speeds at DDR4 2666/ 2400/ 2133 so it could be downclocking your RAM, but I've never seen it go down that many steps. Seems like either a BIOS config or installation issue.

cortr · Dec 6, 2017

jr9 :

GPU: I get absolutely nothing if I try to hook the display up to the card, I've tried with HDMI (one output) and DisplayPort (3 outputs). Perhaps worth noting the native video for the motherboard is sorta flaky with DisplayPort also? It's hard to describe but it seems like it only works one out of every 2 or 3 boots.

I'm not sure what you mean by "hook it back up to the onboard video and try to find a setting to select which video input/card to use and see what it says" but I'm assuming you mean the BIOS setting - I have it set to the PCIEX16 slot. (which was the default) I've also tried all permutations of the above with the card plugged into the PCIEX4 slot and changing that same BIOS setting.

rocktalkrock · Dec 6, 2017

You said you just put together a "mostly new system". Could you give a bit more detail about which parts are new and which are old? What version of Windows are you using?

jr9 · Dec 6, 2017

cortr :

The GIGABYTE Z370 Gaming 5 has a display port and an HDMI port . They should be to the left of the blue USB ports. Plug the HDMI in there and the other into the display. Boot up and hit whatever key it is to get into the BIOS settings. Try DEL, F2, or just mash keys until you get to the red BIOS options screen. Go to the peripherals tab (4th) and then initial display output. Try to select your graphics card from there. This is necessary sometimes as the motherboard may be trying to use it's built in Intel graphics instead of your graphics card.

Before doing this, please make sure that the card is firmly installed. Make sure that the PCIe power cables are plugged in firmly. Also moving the card to another slot can help.

cortr · Dec 6, 2017

rocktalkrock :

It's a GB Z370 Aorus Gaming 5 motherboard with an i7 8700k chip. With that I've got a Thermaltake 850w PSU and a Corsair closed circuit CPU cooler/radiator/fans.

I'm running 2 sticks of 16gb 3200mhz Corsair memory (forget the exact model at the moment but it's got RGB on it).

Boot disk is a Samsung m2 512gb SSD. There's a 1tb Samsung EVO SSD sitting there empty that is intended for programs/files.

It's all new except the GPU, which as I said I've pulled out of another working PC (works fine).

cortr · Dec 6, 2017

jr9 :

Yeah I've been into that setting in the BIOS and have confirmed it's set to using the PCIEx16 slot (PCI1, per the user manual - maps PCI1 = PCIEx16) (top - closest to CPU) for the initial display output. I've also tried the card on the PCIEx4 slot (bottom - furthest from CPU) and changed the setting to use the initial display of the PCIEx4 (PCI3 in the BIOS) slot.

It makes no difference, no video output from the card on any of these permutations.

rocktalkrock · Dec 6, 2017

Have you looked closely at the Status LED's on your motherboard?

- CPU/VGA/DRAM/BOOT (Status LEDs)
The status LEDs show whether the CPU, graphics card, memory, and operating system are working
properly after system power-on. If the CPU/VGA/DRAM LED is on, that means the corresponding device
is not working normally; if the BOOT LED is on, that means you haven't entered the operating system yet.

CPU: CPU status LED
VGA: Graphics card status LED
DRAM: Memory status LED
BOOT: Operating system status LED

rocktalkrock · Dec 6, 2017

Take a look at BIOS update F3 released on Sept. 25th 2017 for your motherboard. It was issued to "Solve 1060/1070/1080 VGA issue". That sounds like you.

cortr · Dec 6, 2017

rocktalkrock :

Yeah I upgraded to the F4 (latest) BIOS thinking the same thing last night, no dice unfortunately.

jr9 · Dec 6, 2017

Do you have another graphics card that you can try in your motherboard?

cortr · Dec 6, 2017

jr9 :

Unfortunately I don't, recently moved halfway across the country and all the old hardware I had laying around didn't make the cut. I'm probably going to end up taking it over to Fry's to have them run some diagnostics on it, at this point.

rocktalkrock · Dec 6, 2017

cortr :

You did not mention what the Status LED's on your motherboard are showing when the computer boots.

cortr · Dec 6, 2017

rocktalkrock :

Will take a look when I get home, at work right now so it's not in front of me.

jr9 · Dec 6, 2017

cortr :

If you do, please post what they say the issue was. If you don't have spare parts, this is probably your most cost effective solution assuming everything is installed correctly.

One thing I would try is to hook up the monitor to the graphics card using DVI instead of HDMI. Could be an issue with output range for the display being out of range.

cortr · Dec 6, 2017

We hooked up another GPU at Fry's, it wasn't able to detect that one or provide video output with that one either. Current hypothesis is that the motherboard has some kind of an issue with its PCI slots. They have it overnight and are supposed to be replacing the motherboard with another of the same model. I'm not holding my breath but that would at least give us another data point.

jr9 · Dec 6, 2017

cortr :

Thanks for the update. Probably the board then. I hope it isn't a configuration/BIOS issue, but then again a new board tends to "solve" that issue.

cortr · Dec 8, 2017

Final update! It was the motherboard. Got Fry's to give me another motherboard to swap for the old one, pulled it out, installed the new one, hooked everything back up - and all works. Crazy. Something on the old one just did not agree with PCIEx slots, apparently!

jr9 · Dec 8, 2017

Good to hear, thanks for the update. It's a shame these nice new boards have so many issues sometimes.

Gigabyte Z370 Aorus Gaming 5 - not detecting Zotac 1070 GTX

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