Free Apple replaced the hard drive for iMac (27-inch)

Apple has launched programs to replace the hard drive free for 27-inch iMac line was sold in mid-December 2012 until September 2013.The program replaced free hard drive only for iMac line (27-inch) owns 3TB capacities. Apple said it has identified the hard drive errors for this camera in a certain number of conditions, but it does not clearly disclose that reason. 
Free Apple replaced the hard drive for iMac (27-inch)
Manufacturers will proactively contact users who are using the equipment 27-inch iMac has a 3TB capacity, were sold from January to 9/2013 19/12/2012, according to a valid email address users use the device during registration. 
But in case you have not received any contact from Apple, you can bring your equipment to the shop Apple Store or Apple authorized dealer for a free replacement hard drive. To test the device's iMac is in case you have been replaced or not, please click the link here