2 GTX EVGA SC AND ASUS MAXIMUS IV EXTREME LGA 1155

Hi

I have this system :
ASUS MAXIMUS IV EXTREME LGA 1155 Rebublic of Gamers Intel P67 DDR3 2400 ATX Motherboard

Intel Core i7 Processor i7-2600K 3.4GHz 8MB LGA1155 CPU BX80623I72600K Intel Core i7 Processor i7-2600K 3.4GHz 8MB LGA1155 CPU

2 X EVGA GeForce GTX 580 Superclocked 1536 MB GDDR5

4GB G.Skill DDR3 PC3-17600 2200MHz RipjawsX Series

------------------


The pc work fine , but the SLI option in the nvidia control not visible
I try many solutions but still
I'm using the dual bridge , And I make the two card as (nativx8 nativx8) as the instructions

but still the problem .. any solutions my friend ..
17 answers Last reply
More about evga asus maximus extreme 1155
  1. also I update the BIOS, and nvidia drive to last update

    I change the slot of cards and try all positions

    but still
  2. also I use DriverSweeper , and install the drivers again and again..
  3. I have seen situations where the PSU was not good enough to power both cards and so SLi would not enable but you have made no mention of what PSU you are using, also worth noting is that I could not install the latest driver for my 560's until I had updated Windows with the latest patches and updates.
  4. Im using Thermaltalke 1200W .
  5. You should have more than enough power then!
  6. I wonder whay this problem happen
    if I change one of GTX580sc with old one 295gtx the SLI enabled in nvidia control panel , but not useful in this case.

    GTX580 sc + GTX580 sc no SLI

    GTX580 sc + GTX5295 SLI enabled
  7. Something is amiss because a GTX580 and a GTX295 should not be able to run in SLi, it could be time for a fresh install of Windows.
  8. when I install windows there was 2 GTX580sc in the board
    so you suggest for me , reinstall windows with one card only
  9. You could try it and then add the second card after you have done all the updates and installed the latest driver.
  10. I did what you tell me
    fresh windows installed with 1 card , the update all drivers ,
    the restart and restart windows many time to make shure every things is ok

    then shut down and and the seconed card + bridge
    ok windows tell me there is new card and SLI PCI bridge
    but SLI in nvida contol panel not appear
  11. Mr mousemonkey , I will move to vista 64
    many people when thy update windows from vista to windows 7
    face the same problem NO SLI enabled
  12. is windows up to date? all updates installed?
  13. yes all updated

    Now I will install xp sp3 64 not vista
    also I read vista face this problem

    I will try XP SP3 then Vista then I will throw that PC from windows
  14. adelnet said:
    Mr mousemonkey , I will move to vista 64
    many people when thy update windows from vista to windows 7
    face the same problem NO SLI enabled

    Was this not a 'clean' install then?
  15. for me all clean install , format hard drive before install.
    tonight I will try vista 32 (clean install) and feed back that test here

    I mean with "update windows from vista to windows 7 " that I read after searing in google there is many user face the problem after update windows and may that mean changing the windows may help to solve and know where is the problem.
  16. I make vista 32 clean install
    yes the SLI work fine and I test it
    that mean not hardware problem

    I now the problem came with windows 7 64 pro ,, but I dont know now what can do ..
  17. I'm shure now, the ptoblem came with
    windows 7 64 with SLI , many many users face like my problem with windows 7
    I read that in "windows 7 forum"

    Navidia says the problem came from windows 7
    and windows 7 says the problem came from nvidia driver
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