Lenovo and IBM - the Great Motherboard Replacement Scam
There is a really interesting article about Lenovo and their bricking of the laptops, IF the power on / supervisor password gets corrupted or forgotten - and their alledged claims of needing to return the laptop to them to replace the motherboard - at nearly the cost of the whole new laptop.
Site Link:
http://tinyurl.com/dxfnx3b