Supported operating system:

Windows Vista 64-bit
Windows 7 64-bit

Release note:
NVIDIA GeForce6/GeForce7/GeForce8/GeForce9/GeForce 100/GeForce 200/GeForce 300/GeForce 400/GeForce 500/ION series video card version 266.58 WHQL driver for Vista-64/Win7-64 released on 19th Jan 2011.


What's New

1. Added support for the GeForce GTX 580 and the GeForce GTX 570.
2. This driver package installs NVIDIA PhysX System Software v9.10.0514.
3. This driver package installs the HD audio driver, version 1.1.13.0.

Fixed Issues¨CWindows Vista/Windows 7 64-bit

1. After changing color settings from the NVIDIA Control Panel©\>Adjust Desktop Color Settings page, the settings are not preserved across Windows sessions.
2. NVIDIA Control Panel: After changing the resolution using the Change Resolution page and then selecting "Show only TV resolutions", the Refresh Rate and Color Depth fields become empty.
3. (Windows 7 only) GeForce 400 Series: With DVI connected, the scaling controls on the NVIDIA Control Panel©\>Adjust Desktop Size and Position page do not work. [719162]
4. GeForce 400 Series: Arma2¨Cthere is corruption in the game, along with a drop in performance.
5. [SLI] GeForce 400 Series: S.T.A.L.K.E.R.: Call of Pripyat¨Cflickering occurs when SLI AA is enabled.
6. [3©\way SLI], GeForce 400 series, Surround gaming: There is flickering in several games when Surround gaming is played on a single monitor at in©\game resolutions.
7. [3©\way SLI], GeForce GTX 280: Farcry2¨Cthere are black patches of corruption with SLI enabled at 2560x1600 resolution.
8. [SLI], GeForce 9500 GS: When Activate All Displays is selected from the NVIDIA Control Panel©\>Set SLI Configuration page, the configuration preview is incorrect.

Supported Devices:
NVIDIA GeForce GT 420