Modifying a computer case in any non-standard way is considered a case mod. Modding is done, particularly by hardware enthusiasts, to show off a computer's apparent power by showing off the internal hardware, and also to make it look aesthetically pleasing to the owner. Modded PC case with CCFL lights and switches, LED fans, perspex window, custom fan hole, and customized Windows XP. Cases may also be modified to improve a computer's performance; this is usually associated with cooling and involves changes to components as well as the case. When personal computers first became available to the public, the majority were produced in simple, beige-colored cases.
This design is sometimes referred to be as a beige box. Although this met the purpose of containing the components of the personal computer, many users considered their computers as "tacky" or "dull", and some began modifying their existing chassis, or building their own from scratch.
A new market for third-party computer cases and accessories began to develop, and today cases are available in a wide variety of colors and styles. Today the business of "modding" computers and their cases is a hugely profitable endeavor, and modding competitions are everywhere.
