Problems: Erase/Dispose of MP for mac

Hi all,
Have a corrupted old MYPassport for Mac, which was transferred to a new replacement WD passport (under warranty) by WD contractor…wish to erase and dispose. I get into Disk Utility, I find the drive and try to erase: I get “erase failed”.
Notice that on the drive details chart says:
-Not Mounted
-Available 999.83

  • Available: 0KB
    -Users: –
    -Owners: Disabled

Please advise: is it already been wiped? Can I recycle (and if “yes”) where?
Many thanks.

Hi pepperment,

My Passport for Mac comes in pre-formatted HFS+J partition for compatibility with Mac OS X operating systems.

We recommend following the steps provided in below article to erase My Passport for Mac using Mac Disk Utility when getting an error message.

https://support-en.wd.com/app/answers/detail/a_id/20270

Hi Brandon,
Thank you but at step 7 I received this:
ERASING WD PP 078B MEDIA and creating untitled.
then this error message:
“Erase process failed”
Under “Show Details”:
Unmounting disk
Couldn’t open device
Operative failed.

Hmmm I don’t think the solution you offered is relevant to the drive status I have–I am not trying to re-format the disk, just erase it. And I think the old drive may already be erased, but I can’t tell & don’t want to recycle til I am sure. Here’s a screenshot of the old drive when I open disk utility:

Hi pepperment,

It would be best to contact WD’s Technical Support for this concern.