Hewlett-Packard released a BIOS update covering a wide range of laptops with the intent to speed up the computer fan as well as have it run constantly, whether the computer was on or off.[145] The reason was to prevent the overheating of defective Nvidia graphics processing units (GPUs) that had been shipped to many of the original equipment manufacturers, including Hewlett-Packard, Dell, and Apple.[146] The defect concerned the new packaging material used by Nvidia from 2007 onwards in joining the graphics chip onto the motherboard