The last image: Broken external case?
yes, it given to me on this condition
Does the following link present a match to your drive?
-Its look like same still i am not separate drive from case
https://www.amazon.com/Western-Digital-Scorpio-160GB-5400RPM/dp/B000O78DPI
Try the drive in another known working external drive case.
And/ or just externally connect the driver with a USB - SATA adapter. And use a separate power supply.
Likely some damage: Case, drive, or both.
Need to eliminate which one but could be both...