Others: Recognize Fail.
Icon Trouble Shooting StepCauseSolutionParts1USB cable defective.Replace the USB cable.USB cable (104-6126-9-SP)2Main broad defective.Replace the Main board MBA839. <Video Link>Main board AD370 (004-3598-9-SP)AD370N (004-3598A-9-SP)AD370WN (004-3598B-9-SP)AD350 (004-3598C-9-SP)AD350N (004-3598D-9-SP)AD350WN (004-3598E-9-SP)