I have a Dell Latitute D820. And I run VPC for all the development I'm doing now. I drove me crazy that the Hardware Virtualization check box was grayed out with this DUO Core2 baby. After some research and upgrading, I finally got it work! Here is some advise in case you have same laptop and run VPC2007 too. There are four things you need to check and do something about it if you haven't: Download and install the latest BISO from DELL it's revision A6 as of today. My D820 came with A5. After upgrade...