On December 9, 2014 Lenovo announced a worldwide voluntary recall and replacement program in cooperation with government regulatory agencies. This recall is for affected AC power cords distributed worldwide with Lenovo IdeaPad computers. These computers were sold from February 2011 through June 2012.
Lenovo customers affected by this program are eligible to receive a replacement AC power cord for the recalled power cord in their possession.
To determine if your Lenovo has been affected by this recall, please see the recall site at the link below.