There are softwares available in the internet designed specifically for that purpose if you know where to look for it. If it's accidental deletion/formatting then there's still a chance. Above that you may need some tools and another computer depending on the type of Hard disk,i.e 3.5" or 2.5", SATA or IDE.
Hard disks may crash after some time, e.g. mechanical failure. In that case it'll be hard for any software to gain access so you may have to take it to the disk manufacturer.
There are softwares available in the internet designed specifically for that purpose if you know where to look for it. If it's accidental deletion/formatting then there's still a chance. Above that you may need some tools and another computer depending on the type of Hard disk,i.e 3.5" or 2.5", SATA or IDE.
Hard disks may crash after some time, e.g. mechanical failure. In that case it'll be hard for any software to gain access so you may have to take it to the disk manufacturer.