How can one fix Playstation 3 when it's not working?

PlayStation 3 is a video game console of the seventh generation marketed by Sony. It was released November 11, 2006 in Japan, November 17, 2006 in North America and March 23, 2007 in Europe. Designed as a digital entertainment center, the PlayStation 3 is in the era of high definition television by incorporating a Blu-ray and HDMI. The console has a hard drive, a web browser and acts as a media center by supporting different types of multimedia formats. It offers expanded connectivity with the PlayStation Portable Wi-Fi by earlier models “Slim” launched in late August 2009 were compatible with Linux distributions. The BD-Live and BD-Java were added to the firmware 2.15 and some for launching homebrew was withdrawn in 2.50. Its online service, PlayStation Network, allows network play for free, download games, demos, trailers and provides access to various communications services. The controller is wireless and features a motion detection system. The version 3.21 firmware for the PS3 removes the possibility of installing an alternative operating system (like Linux) on all versions of the console. In September 2010, firmware 3.50 adds the ability to play Blu-ray 3D and enable the 3D PS3 compatible.

“Slim” model announced by Sony August 24, 2009 , new PlayStation 3 is 32% smaller, 36% lighter and consumes 34% less energy, while having the same characteristics as the previous models, hence the unofficial name “Slim PlayStation 3″. PS3 slim launched with 2 models, one with 120 GB and other with 250 GB. 250 GB PS3 slim Launched in November 2009, this second version of the PS3 Slim has the same characteristics as the previous one, only the capacity of its hard drive has been revised upwards, going from 120 GB to 250 GB.