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Old November 6, 2017, 12:39 PM
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Default 1080Ti SLi - Windows Wont Recognize 2nd Card - Fixed

Hey guys...hoping someone can help out before i have to drain the loop and furtehr trouble shoot.

1.Tested both new Evga 1080Ti's SC Black Editions on an older Rig (X58 I7 920), tersted individually and in SLi mode ....ran a few Benchmarks and all seemed fine...botth Cards Boosting fine and both Carfds temp fine.

2. Installed FC EKWB on both, placed in Rig updated Drivers (have since tried a clean install of latest Drivers a few times).

3. Both Cards are recognized in BIOS .

4. nv Control Panel only "sees" the top Card and dowsnt "see" the 2nd bottom Card.

5. Device Manager shows the 2nd Card but has error message "Windows has stopped this device because it has reported problems. (Code 43).

What I have tried:
1. Clean install of Drivers.
2. Plugging monitor via DVI-D into bottom card ( PC boots up bu no picture).

Im stumped.
What I could try.

1. Disabling the PCI-E slot on the Mobo and re-enabling it (manual switch on the RIVE)
2. BIOS Flash ??
3. Re-Seating Cards but a bugger with liquid hooked up.

This has got to be some sort of Windows Software problem ?

Any suggestions would be appreciated!

*** EDIT: Never mind got it....one of my PCI-E connectors to the 2nd Card came loose at the PSU (likely as I vigerously shake n tilt the Tower while im leak testing and bleeding air!!
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Last edited by rjbarker; November 6, 2017 at 01:26 PM.
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Old November 6, 2017, 01:06 PM
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Is it a new case? Could have some motherboard mount issue.

Also, what platform is it? Could be a bad CPU mount if it is HEDT.

As crap as it is, I would tear down and test on the motherboard box.

Edit: after thinking about it, I would test gpu block mount on the card that isn't being recognized. You could also switch cards in their slots and see if the problem follows the card or the slot.
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Old November 6, 2017, 01:19 PM
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As painful as it is, you could also swap the 2 GPUs just to see if the problem follows the card, or is it related to the PCIE slot. A non-invasive thing you could try is double check all the GPU power connections to the GPUs AND to the PSU. If those look solid, you could swap the GPU power connectors around and see what happens, if anything. That would take all of 5 minutes and involves no loop tear-down.
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Old November 6, 2017, 01:27 PM
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Double check that the 6+2 pin power connectors are fully plugged in. I ran into this problem where the +2 piece wasn't fully plugged in causing the card to not start properly.
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Old November 6, 2017, 03:22 PM
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^^^ Thanks guys...YES 1 of the PCI-E cables had come loose at the PSU while tilting case back n forth.....Im pretty aggressive getting air out of the loop (have to be with 3 Rads ;) )....anyhow alll good 1080TI SLi under water....
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Firestrike Extreme: 23.772K
https://www.3dmark.com/fs/17562471
Timespy: 18.613K
MARK 11: 40.185K
https://www.3dmark.com/3dm11/13079691



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