NVIDIA GeForce GT 640M LE, Version for Microsoft® Windows® 7

This utility will install the originally shipped version of the NVIDIA GeForce GT 640M LE for the Sony VAIO® computers listed below.

The NVIDIA GeForce GT 640M LE will remove the yellow exclamation mark which appears next to “Standard VGA Graphics Adapter” in the Device Manager window when the driver is uninstalled.


Before you start installing this driver, please set the stamina / speed switch to speed and install the Intel(R) HD Graphics 3000 / 4000 driver version, which is available in the Downloads tab of your model.


This utility is only for use with the following Sony VAIO® Computers


Do not install this utility with any other model of computer (including other Sony computers sold worldwide).


During the installation of this update, be sure that you are logged in as the Administrator or as a user with Administrative rights.


To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.


It is highly recommended that you print out these instructions as a reference during the installation process.

Download And Installation Instructions

Please follow the steps below to download and install the EP0000551556.exe program.

  • Download the EP0000551556.exe file to a temporary or download directory (please note this directory for reference).
  • Go to the directory where the file was downloaded and double-click the EP0000551556.exe file to begin the installation.
  • At User Account Control click Yes
  • If the Select Language window appears, select the language you wish to use and click the OK.
  • At Select Country please select the country you want for this installation and click Next
  • At the Welcome to NVIDIA GeForce GT 640M LE Setup Program, click Next.
  • Read the Software License Agreement and click I Agree.
  • At the Finished screen, click Finish.
  • At This system must be restarted to complete the installation, click OK to restart the computer.

The installation of the NVIDIA GeForce GT 640M LE is completed.



  • EP0000551556.exe


  • 64 bit


  • 194.32 Mb


  • 15-67-2012