Patent 8009536 was granted and assigned to Hitachi on August, 2011 by the United States Patent and Trademark Office.
A recording and reproducing apparatus includes an access display unit of a hard disk and a failure diagnosis unit to carry out a failure diagnosis by using error information of data reproduced from the hard disk, in which either a video recorded in the hard disk is displayed on the access display unit or an access on the reproduction is displayed thereon, and a warning content obtained from a diagnostic result of the hard disk is displayed after the access is completed.