I have just bought an extra GTX 460 which is a Gigabyte GTX 460 SE, i already have an ASUS GTX 460 ToP, but the SLI option in nvidia control panel is not showing. Any suggestions?
When doing an SLI or Xfire, you must get the exact same card. Hopefully you can exchange the new card for a GTX 460 SE (may be a price difference). Otherwise you are stuck with two graphics cards and no performance gain for it.