I'm using an external HDD which is my old laptop's HD with 2.5 SATA enclosure. I tried to delete a partition in Windows and stopped it unknowingly. When I reinsert it, my OS including Ubuntu freezes and sets some duplicate partition link in the launcher. Windows too failed the test.
Here's the screen of
The drive is 320GB HD which is taken during the freeze. I unplugged it and plugged it and here the output screen of the command
As you can see the value 6** keeps incrementing. I know that the drive is corrupted. But, how can I flash it. I already took a backup of everything in this drive. Is there any way to format fully and get the drive back?
UPDATE: When I inserted my disk the system freezes as I cannot use it further until I unplug the drive and it creates some duplicate copies of the two partitions I had in the disk(68 and 55GB). And even one partition I named as Misc is also shown below: