First, install your video drivers. You've probably already done this,
but if you want to make sure that you have something recent, do the
following:
-Right-click your desktop and click Properties
-Go to the Settings tab
-Click the advanced button
-Go to the Adapter tab (note the Memory Size under Adapter Information)
-Click on Properties button
-Go to the Driver tab
-Check the Driver Date and Driver Version to see if it's at least November 2006 and/or 93.71
-Close the dialogs.
-If your version isn't up-to-date, then download and install the latest nVidia Driver.
Install Rivatuner
-Just download it from here: http://downloads.guru3d.com/download.php?det=163
-Run the installer
-Right-click your desktop and click Properties
-Go to the Settings tab
-Click the advanced button
-Go to the Adapter tab (note the Memory Size under Adapter Information)
-Click on Properties button
-Go to the Driver tab
-Check the Driver Date and Driver Version to see if it's at least November 2006 and/or 93.71
-Close the dialogs.
-If your version isn't up-to-date, then download and install the latest nVidia Driver.
Install Rivatuner
-Just download it from here: http://downloads.guru3d.com/download.php?det=163
-Run the installer