MacBook Pro input output error can be faced by the user when is trying to copy or move any file from or to the Mac drive. The files in the Mac hard drive are managed by the advanced hfs+ file system but still there can be some inconsistency due to which the error can occur. The problem also arises when you do not have to permission to move that file or the drive has been locked for any such operations then you have to look in the settings and modify it. The MacBook Pro input output error is encountered even when either the file or the drive is corrupted. You can use the disk utility that is provided in the Mac system to deal with such situation but it is able to handle only minor issues. You will have to format the drive for any major corruption. So now the files in the drive are deleted after you fix MacBook Pro input output error. You can get them back with the time machine backup. If it isn't working then you can use the Mac data recovery software to recover the corrupted and the deleted files. So get the software now.