Upgrading from a T5450 to T7500 on an HP laptop. Is it worth it? Is the CPU or Processor upgrade procedure complicated? How long does it take? These are common questions in regard to upgrading from the factory original T5450 processor that ships with many laptops including the HP DV9500. In the following article, I discuss my experience in regard to working with and upgrading the HP DV6000, DV9000 series laptops.