How to prevent external HDD from going to sleep?

  1. Posts : 96
    Windows 10 Pro

    How to prevent external HDD from going to sleep?

    I have four external hard disks connected to my laptop either directly or through a USB hub. I have searched the issue that I'm asking about, but I have not found a definitive answer. The most common solution appears to be to use a program to write a small file to each hard disk at predetermined times.

    One of my external disks (a Samsung D3 4 TB disk) does have a utility to adjust sleep time, but it doesn't run on Windows 10.

    I have actually ran one of these generic programs, but I'm wondering if there is a more elegant solution to use Windows settings to prevent external hard disks from going to sleep.
      My Computer

  2. dalchina's Avatar
    Posts : 24,082
    Win 10 Pro (1903)

    Hi, like this ? But I'm not clear if that equally affects external disks.. you may already have checked this.
    Turn Off Hard Disk After Idle in Windows 10

    - this seems to indicate, as you say, external disks are treated separately, which makes sense- as it refers to the method you mention.

    But comments after this tutorial indicates it may apply to external disks (but note comment about possible internal power management):
    Add or Remove Turn off hard disk after from Power Options in Windows
      My Computers


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