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My 2 TB 2.5" USB 3.0 external disk is never found by my TV. When I plug it to my Windows 10 Pro, it is mounted properly (Disk Management can see it), but "offline" (i.e. without any letter assigned to it):

enter image description here

Is there any specific thing (like file system, disk feature, boot record type etc.) that is causing this?

Is there anything that I can do to have this disk accessible (i.e. under drive letter) every time, I connect it to my PC's USB port (and not being forced to rush to Disk Management to manually assign a letter to it each time; as I do right now)?

Of course, is there anything that I can do except formatting the disk, because in contains a 2 TB of data that cannot be lost.

trejder
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    Can't you assign a drive letter to it as instructed? If not maybe there's something wrong with the partition table (e.g. messed up partition type code). – Tom Yan Mar 01 '22 at 14:56
  • @TomYan Of course I can! :) I just don't want to do this each and every time I plug out and plug in the disk again. – trejder Mar 01 '22 at 23:40
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    Do the tricks here work? Also try "scrubbing" HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices manually (as in, remove all items except (Default) in it) and reboot and see, perhaps. (Normally it won't break anything.) – Tom Yan Mar 02 '22 at 03:24
  • Also try clearing the nodefaultdriveletter attribute for the corresponding volume: https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/attributes-volume – Tom Yan Mar 02 '22 at 03:32
  • @TomYan The automount enable did the trick. Care to craft an answer so I can accept it and bring you the rep? Thank you. – trejder Mar 03 '22 at 22:25

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