What’s New in Version 306.23:

This driver adds support for the following NVIDIA GPUs:
- GeForce GTX 660 Ti
- GeForce GTX 660
- GeForce GTX 650
- GeForce GTX 680M

NVIDIA PhysX System Software
This driver package installs NVIDIA PhysX System Software v9.12.0604.
NVIDIA GPU PhysX acceleration is available only on systems with GeForce 8-series and later GPUs with a minimum of 256MB dedicated graphics memory.
NVIDIA GPU PhysX acceleration is not available if there is a non-NVIDIA graphics processor in the system, even if it is not used for rendering.

HD Audio Driver
This driver package installs the HD audio driver, version 1.3.18.0.

NVIDIA SLI Technology
Added or updated the following SLI profiles:
• Alan Wake's American Nightmare - added
• Borderlands 2 - added
• Darksiders 2 - added
• End of Nations - added
• F1 2011 - updated
• F1 2012 - added
• Final Fantasy XIV - updated
• Guild Wars 2 - added
• Nexuiz - added
• Orcs Must Die! 2 - added
• PlanetSide 2 - updated
• Saints Row: The Third - updated
• Shogun 2: Total War - updated
• Sleeping Dogs - added
• Spec Ops: The Line - added
• The Secret World - updated
• Torchlight II - added
• Tom Clancy's Ghost Recon Future Soldier - added
• Tornado Force - added
• Tribes: Ascend - updated

NVIDIA 3D Vision
Added or updated the following 3D Vision profiles:
• Alan Wake's American Nightmare - rated Not Recommended
• A New Dawn - rated Fair
• All Zombies Must Die! Scorepocalypse - rated Good
• ARMA 2: Operation Arrowhead - rated Fair
• Bang Bang Racing - rated Excellent
• Brave - rated 3D Vision Ready
• Devil May Cry 4- rated Fair
• Depth Hunter - updated rating to 3D Vision Ready
• Dishonored - rated Good
• End of Nations - rated Good
• London 2012 The Official Video Game - rated Fair
• Mad Doc Jr.'s Doom Rails - rated Excellent
• Mass Effect 3 - updated in-game compatibility message and profile to be more compatible with community 3D mods
• Max Payne 3 - updated rating to Excellent and updated in-game compatibility message to inform users to use DirectX 11, disable MSAA and use SSA0.
• Raiderz - rated Fair
• Roller Coaster Rampage - rated 3D Vision Ready
• SCANIA Truck Driving Simulator - rated Fair
• Street Fighter X Tekken - rated 3D Vision Ready
• Test Drive: Ferrari Racing Legends - rated Good
• Tiger Woods PGA 12: The Masters - rated Good
• Tribes: Ascend - rated Fair
• The Secret World - rated Good
• The Walking Dead - rating Good
• World of Warcraft: Mists of Panaria - rated Excellent

Other Profile Updates
• Added NVIDIA Control Panel antialiasing support for Diablo III
• Added NVIDIA Control Panel antialiasing support for L.A. Noire
• Added NVIDIA Control Panel antialiasing support for Rayman Origins
• Added NVIDIA Control Panel ambient occlusion support for Star Wars: The Old Republic
• Added NVIDIA Control Panel ambient occlusion support for Counter-strike: Global Offensive
• Added NVIDIA Control Panel ambient occlusion support for MechWarrior Online
• Disabled FXAA for several Windows programs like Media Player and Movie Maker.

Limitations in This Release
The following are features that are not currently supported or have limited support in this driver release:
- Surround Gaming with 3-way SLI
Surround gaming is not supported on a 3-way SLI system using GeForce GTX 200 series GPUs. [681228/683943]
- NVIDIA Control Panel Display Category
The Graph tab on the Adjust Desktop Color Settings page is not available.
- Hybrid Power
Support for Hybrid Power, a Hybrid SLI technology, is discontinued and not available with this driver.
- Legacy Support Notification
GeForce 6-series and GeForce 7-series GPUs will be moved to legacy support after GeForce R304 drivers. GeForce R310 drivers (the next major family of drivers) will not support these products.

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Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.