Laptop Proc Upgrade


I’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

It may be the recession, but the Doctor has gotten more laptop CPU-upgrading questions in the past two months than ever before. Keep in mind that many laptop CPUs are soldered to the mainboard and aren’t easily upgradeable; however, the Latitude D820 is upgradeable. It looks like the best CPU you can put in your laptop that will support virtualization is the Core 2 Duo T7600 Mobile. However, as is often the case with discontinued CPUs, you’ll have to drop more than $300 to get one ($312 is the cheapest we’ve seen it, at, at which point it’s almost wiser to replace the whole laptop.

SUBMIT YOUR QUESTION Are flames shooting out of the back of your rig? First, grab a fire extinguisher and douse the flames. Once the pyrotechnic display has fizzled, email the doctor at for advice on how to solve your technological woes.

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