29c06976___lost_external_hard_disk_data__Reason_for_Data_Loss
[Scenarios] File loss due to MBR corruption [Reason for Data Loss] 
Master Boot Record (MBR) helps in booting Windows operating system. Any corruption that takes place to MBR may result in a hard drive crash. Improper or abrupt ejection of external hard drive from your system is the main reason behind this scenario.
External Hard Drive File Recovery - Tool to restore deleted / lost external hard disk data
Reason for Data Loss