Bricking can occur When: Installing the wrong firmware; Power loss during a Firmware or BIOS update; Poor Hardware connections; Installation of firmware that is infected with a computer virus.
Partial Bricking: This term refers to a Device that has the potential to boot but is disabled due to Bad, Previously Stored Information, or Corrupted Temporary Files written to the Devices Flash Memory (RAM).
FIXING A BRICKED DEVICE?
Un-Bricking: Once a Device has been Bricked it will not be able to Boot until Corrupted Data has been removed and the proper data replaced. Since the device can not boot this means it must be done manually. This includes Removing and Replacing/Soldering Chipsets. Generally a Device is considered forever useless once it has been bricked, This is because your average electronic user lacks the knowledge and tools to repair electronic devices.
Un-Bricking of a Partially Bricked Device: If the Device is only Partially Bricked there are a number of tricks that may restore the Device. Such as: A few shut downs and reboots; Manually Reseting the BIOS, this may be done on the Devices Motherboard if availible; A series of Keystrokes has also been known to remedy some Cases; Removing the Power Source from the Device for a period of time.