HP is recalling about 5.6 million notebook computer AC power cords in this country and another 446,700 in Canada because of possible overheating, which can pose a fire and burn hazard. Consumers are advised to immediately stop using and unplug the recalled power cords and contact Hewlett-Packard to order a free replacement. Consumers can continue using the computer on battery power. Hewlett-Packard can be reached at 877-219-6676 from 10 a.m. to 7 p.m. ET Monday through Friday or online at www.hp.com and click “Recalls” at the bottom of the page for more information.