Some common situations and error messages which would suggest that your drive might be suffering from one or more failures or other potential data loss scenarios:
• Hard drive no longer recognized by the operating system or BIOS.
• Hard drive detected by the BIOS but reporting as unreadable.
• Hard drive making strange/funny sounds when power is applied.
• Hard disk drive not spinning despite power being applied.
• Primary hard disk failure / Secondary hard disk failure.
• Cannot read from the source file or disk
• Inaccessible boot device.
• Unable to access drive “X”.
• Disk error, press any key.
• Device not ready, reading drive “X”.
• Operating system not found / missing operating system.
• The BIOS recognizes the drive but with garbage parameters.
• The BIOS recognizes the drive but the data is inaccessible.
• The drive reports bad sectors.
• NTLDR is missing, Press any key to restart.
• Replace disk and press any key to continue.
• The drive reads some data but reports cyclic redundancy checking (crc) errors.