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I have SSD and HDD hard drives in my laptop and I have Ubuntu on SSD and windows 10 in HDD and (sometimes) I want to eject HDD when I am working on Ubuntu (because of power saving and...), how to do that?

Hamid Haghdoost
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2 Answers2

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In the Files app, you have a sidebar on the left. You will see a little triangle next to the mounted device.

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Click on it, and your drive will be unmounted (a.k.a. "ejected").

If you have chosen to see mounted drives on the desktop, you will have a right-click option "Eject" there as well.

Jos
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  • I want to power off my hard drive, by unmounting or ejecting partitions the hard drive is still working (I can sense it's sound of working), how I can eject it completely? – Hamid Haghdoost Apr 08 '19 at 12:19
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    That is strictly not "ejecting". See https://askubuntu.com/questions/671683/how-to-turn-off-hard-drive-in-ubuntu – Jos Apr 08 '19 at 12:20
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This command worked for me:

sudo hdparm -Y /dev/sdX

Hamid Haghdoost
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