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Can't Sli

post #1 of 19
Thread Starter 
i have two identical 9600GT GPU in my new system. I have the EVGA 780i SLI motherboard but when i go into the nvidia control panel i have no SLI section under the 3D graphics tab. does this mean i cant SLI? how do i get the option to come up?
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
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First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
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post #2 of 19
Did you connect them with the SLI bridge?
post #3 of 19
have you uninstalled/reinstalled your nvidia display drivers?

when you install your new drivers and reb00t, you will get a pop-up ballon telling you that you have an SLI capable system, click here to enable and that will open the nv control panel, enable SLI then hit apply.
Easy V3
(17 items)
 
12 Pack
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-4820k Asus Rampage IV BE evga 1080ti FE w/ hybrid kit 16 GB G.Skill Trident X 2400mhz  
Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120gb Samsung 840 EVO 1TB Samsung Blu-ray Corsair H110 
OSMonitorKeyboardPower
windows 10 Asus PG278Q Ducky Shine 3 - blue led - cherry mx browns Seasonic Platinum-1000 
CaseMouseMouse PadAudio
Dimastech Easy V3 Mionix NAOS 8200 Mionix Ensis 320 titanium HD  
Other
audio technica ATH-A900X 
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Easy V3
(17 items)
 
12 Pack
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-4820k Asus Rampage IV BE evga 1080ti FE w/ hybrid kit 16 GB G.Skill Trident X 2400mhz  
Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120gb Samsung 840 EVO 1TB Samsung Blu-ray Corsair H110 
OSMonitorKeyboardPower
windows 10 Asus PG278Q Ducky Shine 3 - blue led - cherry mx browns Seasonic Platinum-1000 
CaseMouseMouse PadAudio
Dimastech Easy V3 Mionix NAOS 8200 Mionix Ensis 320 titanium HD  
Other
audio technica ATH-A900X 
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Reply
post #4 of 19
Thread Starter 
thanks, yes i have got the SLI bridge connected
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
  hide details  
Reply
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
  hide details  
Reply
post #5 of 19
Are they both plugged in?
Try using one 9600gt at a time and make sure ones not dead
Update drivers/BIOS for 780i?
Enable SLI in BIOS?
My System
(12 items)
 
  
CPUMotherboardGraphicsRAM
Ryzen 5 1600 Asrock B350 Fatal1ty ITX Asus GTX1060 G.Skill 8gb 3000mhz 
Hard DriveOptical DriveOSMonitor
250gb Samsung 850 Pro SATA LG DVD Burner Windows 10 Pro X64 23" Asus 144hz 
KeyboardPowerCaseMouse
Microsoft Ergonomic 4000 EVGA 500w Gold EVGA Hadron Air Logitech G Pro 
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My System
(12 items)
 
  
CPUMotherboardGraphicsRAM
Ryzen 5 1600 Asrock B350 Fatal1ty ITX Asus GTX1060 G.Skill 8gb 3000mhz 
Hard DriveOptical DriveOSMonitor
250gb Samsung 850 Pro SATA LG DVD Burner Windows 10 Pro X64 23" Asus 144hz 
KeyboardPowerCaseMouse
Microsoft Ergonomic 4000 EVGA 500w Gold EVGA Hadron Air Logitech G Pro 
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post #6 of 19
have you uninstalled/reinstalled your nvidia display drivers?
Easy V3
(17 items)
 
12 Pack
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-4820k Asus Rampage IV BE evga 1080ti FE w/ hybrid kit 16 GB G.Skill Trident X 2400mhz  
Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120gb Samsung 840 EVO 1TB Samsung Blu-ray Corsair H110 
OSMonitorKeyboardPower
windows 10 Asus PG278Q Ducky Shine 3 - blue led - cherry mx browns Seasonic Platinum-1000 
CaseMouseMouse PadAudio
Dimastech Easy V3 Mionix NAOS 8200 Mionix Ensis 320 titanium HD  
Other
audio technica ATH-A900X 
  hide details  
Reply
Easy V3
(17 items)
 
12 Pack
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-4820k Asus Rampage IV BE evga 1080ti FE w/ hybrid kit 16 GB G.Skill Trident X 2400mhz  
Hard DriveHard DriveOptical DriveCooling
Samsung 840 EVO 120gb Samsung 840 EVO 1TB Samsung Blu-ray Corsair H110 
OSMonitorKeyboardPower
windows 10 Asus PG278Q Ducky Shine 3 - blue led - cherry mx browns Seasonic Platinum-1000 
CaseMouseMouse PadAudio
Dimastech Easy V3 Mionix NAOS 8200 Mionix Ensis 320 titanium HD  
Other
audio technica ATH-A900X 
  hide details  
Reply
post #7 of 19
Thread Starter 
yes i have, sorry for the late reply
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
  hide details  
Reply
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
  hide details  
Reply
post #8 of 19
try re-installing the drivers and testing the cards individually like mtbiker033 and kaiviorth have suggested. Also check to see if you have to enable anything in the bios (never had a 780i so I don't know).
post #9 of 19
Thread Starter 
i've looked in the bios and i can't find anything in there. i'll try and install the drivers and the actual cards again
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
  hide details  
Reply
First Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 EVGA 780i Gainward 9600GT x 2 4x2 GB Kingston 
Hard DriveOSMonitorPower
Maxtor 500GB Windows Vista Home Premium 64-bit Hanns.G 22" Corsair 750W 
Case
Antec 900 
  hide details  
Reply
post #10 of 19
I had a issue when I 1st built my sig rig with my 8800gt's... the drivers for some reason didn't allow me to turn it on, then the next set said they were in sli when they wernt, try the newest http://www.nvidia.com/object/winvist...5.19_whql.html or alternatively look on OCN under the drivers/software section for the newest.
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