Hello; In regards your question, is not possible to upgrade or downgrade a processor in order to support certain features, the processors that support Intel(R) Virtualization Technology they already come with this feature installed on the microcode. You can check the specifications of your processor here: http://ark.intel.com/Product.aspx?id=37251
Do you know the service Tag Number ?? it's on the bottom of the computer . without that I can't tell you what options were available . Get back to me and I'll try to look it up for you.