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Laptop Proc Upgrade

Ask the Doctor LogoI’m considering upgrading my laptop’s CPU but don’t know what to use as a replacement. My laptop is a Dell Latitude D820 with an Intel Core2 T5500. This CPU does not support virtualization, so I am looking to replace it with a CPU that does. How do I go about figuring out which CPUs go with my laptop motherboard? If I am going to void my (very expensive) warranty doing this, I want to be sure that I have the correct part.

—Anne Richley

Read the Doctor's advice for Anne after the jump.