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...