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SLi not working [Solved] (ish)

legodude
By legodude
in Graphics Cards
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I can't get SLi working on my partners PC no matter what the second card does nothing an in the case of black desert online as a negative effect on performance  , she has two GTX970's an Asus ranger Vii, intel i5-4440, corsair 850w psu. GPU tweak shows the second card (even when both cards swapped) doing nothing 

 

so far I've tried

  1. using both cards one at a time in the top PCI-e slot
  2. using both cards one at a time in the lower slot
  3. changed SLi bridge
  4. flashed both cards VBIOS and motherboard BIOS   
  5. checked both cards are running 8x
  6. reinstalled GPU drivers many times and tried a clean install
  7. made sure SLI is enabled in nvidia control panel
  8. swapped card possession in case
  9. swapped PCI-e power cables over. 

I'm totally out of any ideas of what to try next? any ideas?

Corsair 650D, i5-4690K (Corsair h50 cooler), Asus ROG maximus VII Ranger, Asus GTX 980ti Strix, 16GB Corsair Vengeance pro series Red (2x8gb 2400mhz), Corsair HX850W, Asus Xonar Essence STX, Sennheiser HD595 / Beyerdynamic dt 770 pro 250 ohm, Samsung 850 pro 128GB / WD black/blue/green, OCZ vertex 3 60gb . Corsair M40/Corsair k70.

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Did you search for "name of game sli"? 

SLI is dead so most games nowadays don't support it and some fiddling is required to trick them into using it.

 

 

F@H
Desktop: i9-13900K, ASUS Z790-E, 64GB DDR5-6000 CL36, RTX3080, 2TB MP600 Pro XT, 2TB SX8200Pro, 2x16TB Ironwolf RAID0, Corsair HX1200, Antec Vortex 360 AIO, Thermaltake Versa H25 TG, Samsung 4K curved 49" TV, 23" secondary, Mountain Everest Max

Mobile SFF rig: i9-9900K, Noctua NH-L9i, Asrock Z390 Phantom ITX-AC, 32GB, GTX1070, 2x1TB SX8200Pro RAID0, 2x5TB 2.5" HDD RAID0, Athena 500W Flex (Noctua fan), Custom 4.7l 3D printed case

 

Asus Zenbook UM325UA, Ryzen 7 5700u, 16GB, 1TB, OLED

 

GPD Win 2

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8 minutes ago, Kilrah said:

Did you search for "name of game sli"? 

SLI is dead so most games nowadays don't support it and some fiddling is required to trick them into using it.

 

 

it's any game, even games that support SLi and benchmarks (where SLi rigs are topping the leaderboards) 

Corsair 650D, i5-4690K (Corsair h50 cooler), Asus ROG maximus VII Ranger, Asus GTX 980ti Strix, 16GB Corsair Vengeance pro series Red (2x8gb 2400mhz), Corsair HX850W, Asus Xonar Essence STX, Sennheiser HD595 / Beyerdynamic dt 770 pro 250 ohm, Samsung 850 pro 128GB / WD black/blue/green, OCZ vertex 3 60gb . Corsair M40/Corsair k70.

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Update, just randomly started working... stops again and we're just going to pull the second card out, she's planning an upgrade after she's finished her PhD anyway, we just can't afford to at the moment.

Corsair 650D, i5-4690K (Corsair h50 cooler), Asus ROG maximus VII Ranger, Asus GTX 980ti Strix, 16GB Corsair Vengeance pro series Red (2x8gb 2400mhz), Corsair HX850W, Asus Xonar Essence STX, Sennheiser HD595 / Beyerdynamic dt 770 pro 250 ohm, Samsung 850 pro 128GB / WD black/blue/green, OCZ vertex 3 60gb . Corsair M40/Corsair k70.

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