Because the i5-540M is a mobile (laptop) chip, your laptop manufacturer (like Dell , HP , or Lenovo ) may have a specific, customized driver that works better than the generic Intel version. Check their support pages using your specific laptop model name.

The is a first-generation (Nehalem microarchitecture, codename "Arrandale") mobile processor, released in Q1 2010. It features:

Processors (CPUs) generally do not have drivers that you download manually. The support for the CPU is built directly into Windows 10.