According to a US Consumer Product Safety Commission bulletin, Satellite T135, Satellite T135D and Satellite ProT130 notebook computers because "The notebook computers can overheat at the notebook's plug-in to the AC adapter, posing a burn hazard to consumers."

If this feels déjà vu its because it is a relatively common occurrence these days for laptops. In July of more than half a million Vaio laptops. Mike Lucas, senior vice president of Vaio for Sony, said in a statement "In rare instances, these notebook computers may overheat due to a potential malfunction of the internal temperature management system, resulting in deformation of the product's keyboard or external casing, and a potential burn hazard to consumers."

The Sony recall was immediately following an in May. HP recalled over 100,000 laptop batteries in all as a result of mounting reports that the batteries were overheating, rupturing, and posing a risk of injury to users.

While quality control during the engineering and manufacturing process at Toshiba, Sony, and HP is apparently lacking, the issue goes beyond the individual manufacturers and exemplifies problems associated with the demands placed on notebook computers.

Heat is a fact of life with computers. A significant chunk of the cost of implementing and maintaining a data center is wrapped up in keeping the room at a tolerable temperature. Try turning off all of the computer equipment in your office or home and see how quickly the temperature drops.