Interlocutory BIOS on my WDBACW0015HBK-NESN unit

MyBook 1.5TB

Model:  WDBACW0015HBK-NESN

Serial #: [[REMOVED]]

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After a few weeks of erratic spin-up behavior, my WDBACW0015HBK-NESN now refuses to power up:  and I am frightened.

I have long harbored _ deep suspicions _ about the WD architecture of MyBooks. It has always seemed to me that WD has installed an interlocutory BIOS of some kind on the combined power and usb3 controller.

So I decided to remove the drive from the WD MyBook usb3 enclosure:    https://youtu.be/T2kP5ZtkRVs

And to operate it externally:  by mounting it in a usb3 dock.

This is the contained 1.5TB SATA/64MB Cache WD15EARS (S/N: [[REMOVED]]):

which apparently can not be reliably operated without this proprietary WD usb3 controller:

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The 1.5TB SATA/64MB Cache WD15EARS (S/N: [[REMOVED]]) will not run in a USB3 dock.

But when I reassemble the unit on my desk, like this:

it works just fine.

Here’s the question:  what kind of hidden partitions and hidden BIOS instructions is WD putting on these units which makes it impossible to run them as Plain Old Hard Drives?

Why are you posting on the My Passport Wireless forum?