Lenovo has identified a potential issue with their 14-inch ThinkPad X1 Carbon 5th Generation laptops that could pose a serious fire hazard to consumers. The manufacturer has sold around 78,000 units in the United States and 5,500 units in Canada. As of January 31, the company has received a total of three reports of overheating, but none of the incidents occured in the United States and Canada. Fortunately, there were no human injury or property damage. According to Lenovo's investigation, the culprit is an unfastened screw, if left unattended, could damage the laptop's battery causing overheating. The recall includes machine types 20HQ, 20HR, 20K3 or 20K4 that were manufactured from December 2016 through October 2017. Units manufactured on or after November 1, 2017 are not affected. Owners can find this information on the bottom of the laptop. Lenovo has also launched a recall site for owners to check if their devices are affected.