You can't do anything if your hard disk is dead, in such a situation it is better to give your hard disk to a data recovery professional.
If you accidentally deleted it then there are plenty of Softwares that you can use to recover it. However, it's not guaranteed that you will get the file or the recovered file will work.
You can use software like Recuva which is free or use EaseUS Data Recovery Wizard which is a paid software but you can use it to recover up to 2GB for free.
I have used both of these tools and liked them both but EaseUS does the job better.
TestDisk is powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable againwhen these symptoms are caused by faulty software: certain types of viruses or human error (such as accidentally deleting a Partition Table). Partition table recovery using TestDisk is really easy.
Fix partition table, recover deleted partition
Recover FAT32 boot sector from its backup
Rebuild FAT12/FAT16/FAT32 boot sector
Fix FAT tables
Rebuild NTFS boot sector
Recover NTFS boot sector from its backup
Fix MFT using MFT mirror
Locate ext2/ext3/ext4 Backup SuperBlock
Undelete files from FAT, exFAT, NTFS and ext2 filesystem
Copy files from deleted FAT, exFAT, NTFS and ext2/ext3/ext4 partitions.
TestDisk has features for both novices and experts. For those who know little or nothing about data recovery techniques, TestDisk can be used to collect detailed information about a non-booting drive which can then be sent to a tech for further analysis. Those more familiar with such procedures should find TestDisk a handy tool in performing onsite recovery.
TestDisk can run under
DOS (either real or in a Windows 9x DOS-box),
Windows 10/8.1/8/7/Vista/XP, Windows Server 2016/2012/2008/2003
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