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I've set "Turn off hard disk after" value in the Power Options. But when I open my HDD in the File Explorer it happens instantly that's why I'm not sure if it's actually on or off at the moment. Please tell me if it's possible to somehow figure it out.

P.S. Some people think that's a bad idea to shut down HDDs because it'll trash their heads. My HDD is used only from time to time during the backups while my PC is turned on most of the time.

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Run the following command in the Powershell:

get-disk

Look at the OperationalStatus column

enter image description here

References:

| improve this answer | |
  • Which output column shows it is powered off? – Moab May 24 at 0:18
  • OperationalStatus column – jluizsouzadev May 24 at 0:21
  • Add that to your answer please. Maybe a screenshot if you can. – Moab May 24 at 0:21
  • Ir seems to me that a disk could be online but "off" which is why it is so instantly available. – John May 24 at 1:48
  • There is also caching. Anything you've been using is in memory. Therefore continuing a task the data will come from the cache so will be instant. See docs.microsoft.com/en-us/windows/win32/fileio/file-caching – Mark May 24 at 7:23

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