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No option to enable SLI in Nvidia control panel

Tags:
  • Control Panel
  • Nvidia
  • SLI
  • Graphics
August 30, 2014 10:04:56 AM


I've been having issues getting SLI to work in both Windows 7,8, & 8.1. Both cards are seen by Windows and the proper configurations have been made in the bios. When trying to enable SLI in Nvidia control panel the options does not appear. I've tried several bench mark programs such as furmark but the second card remains idle with zero load and no gain in temp.

So far I've done the following:

1. Updated MOBO to the latest Bios
2. Uninstalled Nvidia drivers (Many times) Used driver cleaner, safe mode ect
3. Swapped Cards around tried running each card as a standalone (no issues)
4. Loaded Windows 7, 8, & 8.1 All behave the same.
5. Tried multiple SLI bridges
6. Tried multiple power supplies

My System:

Mobo: Asus Maximus Hero Vii
CPU: Intel 4790K
Memory: G.Skill Trident X Series 16GB 2400Mhz
PS: EVGA Supernova 1300W
Video: 2 EVGA 06G-P4-3787-KR G-SYNC Support GeForce GTX 780 6 GB DDR5 (In SLI)


I did notice that the memory type, device ID, & Bios version are different between the cards, I have a gut instinct his could be leading to the issues?

Card 1:
Device ID: 10DE - 1004
Bios: 80.80.45.00.80 (P2083-0021)
Memory GDDR5 (Samsung)

Card 2:

Device ID: 10DE - 1007
Bios: 80.80.58.00.82 (P2083-0025)
Memory GDDR5 (Hynix)

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