1. Introduction The Dell OptiPlex 3040 is a business-class desktop computer (available in Mini Tower, Small Form Factor, and Micro form factors) released around 2015. It typically runs Windows 7, 8.1, or 10 (32-bit or 64-bit). Like all PC hardware, it requires specific drivers —software that allows the operating system to communicate with components such as the chipset, network adapter, audio, and graphics.