My HDD shows in Device Manager but not in Disk Management!

supersonic · 2026-06-08T23:53:13-0400

i just received my new HDD after warranty replacement. But the disk is not recognized in Disk Management but visible in Device Manager by the name
HGST HUH 721212ALE604 SCSI Disk Device. It is slightly visible in icaredata, Zentimo xstorage Manager n Device manager.
I can't initialize bcoz its not visible in the Disk Management. Tried to uninstall driver and scan for hardware change doesn't do anything. In fact the name is gone.
icaredata does show as F: 12 TB.
But i feel the present drive is spinning according to like it should be. Could anyone suggest me something.
Awaiting reply.

Plz see the pics:

XxXxX · 2026-06-09T00:18:27-0400

try formatting the HDD by the command line

How to Format a Hard Drive Using the Command Prompt? - GeeksforGeeks

Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more.

www.geeksforgeeks.org

if that does not see the drive please try a live Linux bootable USB
and see if that can see and format the HDD

best of luck Steve ..

supersonic · 2026-06-09T00:45:31-0400

i cannot do that unless the disk is initialize which if not done, the VOL LABEL and a DRIVE LETTER will not be assigned.
So even from command line, there is no volume name or drive letter to perform such things like format.
But hey, i could try that from ubuntu or kali.
Will report back soon, god hope it works.

glasskuter · 2026-06-09T01:22:24-0400

If your bios recognizes the disk (even if disk management does not) you can use Minitool Partition Wizard to initialize the new disk. However, if bios does not see the drive, you have a hardware failure.

dacrone · 2026-06-09T02:54:01-0400

supersonic said:
i cannot do that unless the disk is initialize which if not done, the VOL LABEL and a DRIVE LETTER will not be assigned.
So even from command line, there is no volume name or drive letter to perform such things like format.
But hey, i could try that from ubuntu or kali.
Will report back soon, god hope it works.

initialize it via diskpart…

list disk
select disk (#)
online disk
convert gpt (or convert mbr)
assign letter

GUMBY · 2026-06-09T04:29:30-0400

Actually the drive is not really being shown in DM. It is showing previously detected, that is why it is grayed out. The only drive connected to pc is the WD blue.

supersonic · 2026-06-09T04:41:34-0400

@glasskuter i tried Minitool Partition Wizard demo and even there is no option to distinguish the hidden 12 TB.
So far i h' tried several things and nothing is leading nowhere.
Could any one share there opinion.
yeah i tried Kali, Parted Magic and even the installer CD for Win11 (i mean a bootable USB) and still no go.

jumanji · 2026-06-09T04:45:40-0400

Hi @supersonic

Was your old discarded external disk added to the storage pool? If so you have to go to "Manage Storage Spaces" and remove it and then add the replacement drive for it to show. up. That is what I have read in a reddit post. here

https://www.reddit.com/r/datarecovery/comments/15zir4g/what_would_cause_a_device_to_show_up_in_device

supersonic · 2026-06-09T04:54:29-0400

dacrone said:
initialize it via diskpart…

list disk
select disk (#)
online disk
convert gpt (or convert mbr)
assign letter

It simply doesn't show even from command prompt and then running
diskpart -
list disk -
I had tried it way back, still no go.
Now i m thinking if its really the Device that is flawed. I received it yesterday and the package was torn and just a Dsk was seen. Someone opened and may
be banged it somewhere. So any magical solution, i m eagerly waiting.

Slavic · 2026-06-09T05:17:32-0400

Your device is grey in Device Manager, which means that driver presents but is not currently active. You can uninstall all such devices, most of them are USB as I see, because they all will be detected again upon connection. If you connect a device and nothing happens, it may be because this devices no longer supports PnP because of poor connection, problem with cable or electrical failure. What exactly happened, you can see if connect it to another PC. If it will be defected as PnP and new device driver installed after a few seconds, it works and you should see it in Disk Management (with or without partitions, is another question). But if it will not be detected, most probably it's an electrical failure.

kelper · 2026-06-09T05:55:03-0400

Slavic said:
Your device is grey in Device Manager, which means that driver presents but is not currently active. You can uninstall all such devices, most of them are USB as I see, because they all will be detected again upon connection. If you connect a device and nothing happens, it may be because this devices no longer supports PnP because of poor connection, problem with cable or electrical failure. What exactly happened, you can see if connect it to another PC. If it will be defected as PnP and new device driver installed after a few seconds, it works and you should see it in Disk Management (with or without partitions, is another question). But if it will not be detected, most probably it's an electrical failure.

Well spotted!

My HDD shows in Device Manager but not in Disk Management!

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