Creating A New Partition Or Wiping A Partition On External Hard Disk Stuck

I have an external hard disk of Samsung 650GB which got damaged when I was transferring some files to my pc through it. Now when I connect to any PC or Laptop it shows the safely remove icon but there is no letter assigned to it and also doesn't show up in My Computer though it can be seen in Disk Management.

I tried Mini Tool Partition Wizard but when I create a new partition it stops at 90%. I tried wiping out the partition but to no avail.

Is there any solution for it??? Please help.
 
I would check the manufacturers site for a windows utility to low level format it. If you cannot find a utility to do that on manufacturer's site, then try this: http://hddguru.com/software/HDD-LLF-Low-Level-Format-Tool/ to wipe the drive. WARNING!! this will destroy all data on the selected hard drive!! be very careful when selecting a drive to wipe that you don't inadvertently select the wrong disk. After a low level format, unplug the drive, plug back in, windows should detect as a new, virgin, drive and it'll prompt you to format it. Format it and hopefully everything will be fine from here on out for you.

Post back, Hope this helps!!
 
Partition software sometimes cannot work out due to physical damage of the hard drive, say bad sectors. You sure can try more partition tools to see if any of them work out. Easeus partiiton master freeware or partition manager are two good ones.
 
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