Hard drive will remain not mounted

It's a WD My Book, the firmware is being updated. It appears when you restart, but then disappears after 30 to 60 seconds.

There is still mounted in user security mode, or in recovery mode.

The drive is a 3 t and it is not empty, no need to recover anything. I just need the question of setting to solve. It is also the case with a new disc bought today. Because "withdrawal" a first disc mentioned via the preferences of time machine via the option "remove disc".

iMac computer has just received a new kernel a few months ago. Also improved to El Capitan 10.11.3, about 2 weeks ago. I read someone else having this problem after the upgrade. But them was solved after firmware update, mine was not.

Schlmale wrote:

It's a WD My Book, the firmware is being updated. It appears when you restart, but then disappears after 30 to 60 seconds.

There is still mounted in user security mode, or in recovery mode.

The drive is a 3 t and it is not empty, no need to recover anything. I just need the question of setting to solve. It is also the case with a new disc bought today. Because "withdrawal" a first disc mentioned via the preferences of time machine via the option "remove disc".

iMac computer has just received a new kernel a few months ago. Also improved to El Capitan 10.11.3, about 2 weeks ago. I read someone else having this problem after the upgrade. But them was solved after firmware update, mine was not.

What does "iMac computer has just received a new kernel a few months ago" mean?

Try to reset the SMC and LANDAU 2 - 3 times and see if that helps. Do it with all devices disconnected.

Resets of LANDAU and SMC Intel iMac

Tags: Mac

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