SnowKatana
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For whatever reason I can not get SLI to work with my cards. Both cards are the same make, model, and VRAM (EVGA GTX 780 6gb) Both cards work right and are shown on Nvidia control panel (and other programs as well) Nvidia control panel doesn't show configure SLI (Just surround and PhysX I know the bridge works (It lights up when plugged in) Both cards are in 1 and 2 PCI-E slots at 16x (both at 8x) GPU - EVGA GTX 780 6gb (x2) CPU - Intel 4770K M.B. - MSI Z87 MPOWER RAM - 16gb (I know about different SLI Auto and don't want to use it, as it not as strong as normal SLI and with the latest Nvidia drivers patching with with it is becoming a annoying pain in the ass)
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Sajin
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Re: Unable to SLI 780's
2015/01/25 11:32:50
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If you don't want to use DifferentSLI then it's time to submit an RMA with EVGA.
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SnowKatana
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Re: Unable to SLI 780's
2015/01/25 11:41:22
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Sajin
If you don't want to use DifferentSLI then it's time to submit an RMA with EVGA.
Would I RMA both cards as the both work, and the cards are discontinued so how would that work?
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Sajin
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Re: Unable to SLI 780's
2015/01/25 11:45:20
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SnowKatana
Sajin
If you don't want to use DifferentSLI then it's time to submit an RMA with EVGA.
Would I RMA both cards as the both work, and the cards are discontinued so how would that work?
Yes, I would recommend RMA'ing both cards. EVGA will send you two cards that are equal to or better performing than your current cards.
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SnowKatana
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Re: Unable to SLI 780's
2015/01/25 11:48:25
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Sajin
SnowKatana
Sajin
If you don't want to use DifferentSLI then it's time to submit an RMA with EVGA.
Would I RMA both cards as the both work, and the cards are discontinued so how would that work?
Yes, I would recommend RMA'ing both cards. EVGA will send you two cards that are equal to or better performing than your current cards.
oh ok then
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Sajin
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Re: Unable to SLI 780's
2015/01/25 11:48:54
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Before RMA'ing you should try buying a new bridge to test with, make sure you test all four SLI fingers on the cards as you may have a defective SLI finger on one of the cards that is causing this issue.
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SnowKatana
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Re: Unable to SLI 780's
2015/01/25 11:56:31
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Sajin
Before RMA'ing you should try buying a new bridge to test with, make sure you test all four SLI fingers on the cards as you may have a defective SLI finger on one of the cards that is causing this issue.
Yeah I tried the different slots and I have two bridges and both of them don't do anything (one came with the motherboard, and the light up evga bridge)
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Sajin
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Re: Unable to SLI 780's
2015/01/25 12:10:55
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SnowKatana
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Re: Unable to SLI 780's
2015/01/25 12:13:50
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Erik
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Re: Unable to SLI 780's
2015/01/26 20:46:13
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SnowKatana
Make sure you have both cards registered and I'll PM you a ticket number. Feel free to call or email us so that we can get this resolved for you.
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teh_tourist
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Re: Unable to SLI 780's
2015/01/27 07:54:57
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I have to ask since nobody else did... Did you try updating/clean installing your drivers?
I had the same problem in Windows 10 preview, but re-installing my drivers fixed it.
CPU: Intel Core i7-4770k GPU: EVGA GTX 780 ACX SLI RAM: 16GB Corsair Dominator DDR3 1600 SSD: Samsung 840 Pro 512GB HDD: 4TB Seagate Case: Silverstone FT03 Motherboard: ASUS Gryphon Z87
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SnowKatana
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Re: Unable to SLI 780's
2015/01/27 10:39:20
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teh_tourist
I have to ask since nobody else did... Did you try updating/clean installing your drivers?
I had the same problem in Windows 10 preview, but re-installing my drivers fixed it.
Yeah I tried many times and it didn't work
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NordicJedi
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Re: Unable to SLI 780's
2015/01/27 23:56:07
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teh_tourist
I have to ask since nobody else did... Did you try updating/clean installing your drivers?
I had the same problem in Windows 10 preview, but re-installing my drivers fixed it.
If you notice in the original post, the device id's do not match, which can be a sign of hardware incompatibility, not software compatibility. @OP - If you haven't already, complete what Erik mentioned and get back to him. Support will help you get SLI up and running!
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SnowKatana
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Re: Unable to SLI 780's
2015/01/28 05:23:33
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NordicJedi
teh_tourist
I have to ask since nobody else did... Did you try updating/clean installing your drivers?
I had the same problem in Windows 10 preview, but re-installing my drivers fixed it.
If you notice in the original post, the device id's do not match, which can be a sign of hardware incompatibility, not software compatibility.
@OP - If you haven't already, complete what Erik mentioned and get back to him. Support will help you get SLI up and running!
Yeah some one at EVGA sent me a PM setting up a ticket to RMA it so I just have to do that.
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NordicJedi
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Re: Unable to SLI 780's
2015/01/28 10:49:53
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Great. Let us know if there's any problems or if you have questions getting it setup.
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joeymir
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Re: Unable to SLI 780's
2015/01/28 12:28:38
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Always a bummer seeing things like this happen to folks  I know you said "Both cards work right" but did you test each card individually? I guess in any case it doesn't matter anymore lol. I am jealous, though! as before I bought my 970's I couldn't for the life of me find 2x 6GB 780's(was the cards I intended to buy). odd how your cards use different memory types, Samsung & Hynix **assuming you got them both from the same vendor at the same time** Anyway I've said it a million times, and will probably say it a million more, EVGA support is the best in the business and will treat you right  ...oh and Sajin is the man!
Gigabyte X570 Aorus Master | Ryzen 9 5900X | 32GB Crucial Ballisitx DDR4 3600MHz | MSI Radeon 6900 XT | Samsung 950 Pro 512GB | 2x Crucial MX500 1TB Raid-0 | 2x WD Velociraptors 500GB Raid-0 | Seasonic Focus Platinum 850W | Lian-Li PC-O11 
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wmmills
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Re: Unable to SLI 780's
2015/01/28 12:57:28
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NordicJedi
teh_tourist
I have to ask since nobody else did... Did you try updating/clean installing your drivers?
I had the same problem in Windows 10 preview, but re-installing my drivers fixed it.
If you notice in the original post, the device id's do not match, which can be a sign of hardware incompatibility, not software compatibility.
@OP - If you haven't already, complete what Erik mentioned and get back to him. Support will help you get SLI up and running!
Nice catch on that NJ!! Are there multiple bios files for the 6gb 780's?!?!? Maybe that's all, one of them, needs?!?!
MOBO: EVGA x299 Dark, CPU: I9 10900X, RAM: Patriot Viper RGB 3600 32gb, SSD: Samsung 860 EVO 1TB, M2: Samsung 970 EVO+ 1TB, PSU: CoolerMaster M2 1500, CPU HSF: EVGA 240 CLC HSF~ P/P EK Furious Vardar, G-CARD:EVGA RTX3090 FTW3 Ultra Gaming w/Hybrid kit and Noctua IPPC 3000 P/P, CASE: LIAN-LI PC-V2010B w/ Window mod, OS: Windows 10 Pro 64bit, MON: Alienware AW3821DW  New EVGA product? Register it NOW with this link: http://www.evga.com/register/default.asp?affiliatecode=4QFQRAMOII Help Our Vets From K-2! [link=https://strongholdfreedom
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Sajin
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Re: Unable to SLI 780's
2015/01/28 13:59:45
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wmmills
NordicJedi
teh_tourist
I have to ask since nobody else did... Did you try updating/clean installing your drivers?
I had the same problem in Windows 10 preview, but re-installing my drivers fixed it.
If you notice in the original post, the device id's do not match, which can be a sign of hardware incompatibility, not software compatibility.
@OP - If you haven't already, complete what Erik mentioned and get back to him. Support will help you get SLI up and running!
Nice catch on that NJ!! Are there multiple bios files for the 6gb 780's?!?!? Maybe that's all, one of them, needs?!?!
vBIOS version doesn't matter. http://forums.evga.com/FindPost/2114031
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Sajin
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Re: Unable to SLI 780's
2015/01/28 14:01:46
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j2345912
...oh and Sajin is the man!
Thanks. 
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