Hard disk mistakenly cleaned using Diskpart clean command.

was installing windows 8
formatted the C drive
than Formatted the Recovery Driver
Laptop got over heated and shut down itself

again tried installing set up
it failed many times
searched online
found a disk part clean command to clean partition

diskpart cleaned entired hdd

hdd is shown while installing OS as unallocated space entire drive

but i cant see hdd when i connect it externally to another laptop
it doesnt display in diskmanagement
nor any partition manager software detects it

in device manager i can see it but in fade grey colour as usb mass memory and also as generic usb device

want to recover data please help