Member Avatar for skoolboy25

Hi everyone..! I got this laptop hard disk from my friends laptop, put it in an enclosure and connect it to my PC via USB but it is not showing on My Computer. It is shown on Device Manager as a disk drive "Toshiba MK2018GAP USB Device" but not on Disk Management. Also it is shown on the bottom right as a Mass Storage Device but no drive letter.. My OS is Windows XP. Any help would be much appreciated.
Thanx..

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  • Latest Post Latest Post by jerry.p009

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and are right to check connectors and drivers, but narrowing this down needs a few targeted checks so the root cause can be identified (enclosure, USB bridge, power, partition table, or drive electronics). The following sequence isolates the problem without risking data.

  1. quick hardware checks: try a different USB cable and port (avoid passive hubs), and try the enclosure on another PC. If the enclosure is bus-powered, try a powered USB hub or a different enclosure/adapter — some adapters cannot spin a 2.5/3.5 drive reliably. If possible, remove the disk and connect it to a desktop SATA port to see if the BIOS/host detects it.

  2. OS-level diagnostics: run simple CLI checks before formatting or initializing. From an elevated command prompt use DiskPart and WMIC to see whether Windows detects the physical disk:

    
diskpart
list disk
exit

wmic diskdrive get model,status,size


If DiskPart sees the physical disk but no volumes, do not initialize or format it if you need the data. See DiskPart documentation for details: [DiskPart - Microsoft Docs](https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/diskpart)

3) health and recovery: a failing drive can still spin but expose zero capacity over a USB bridge. If the drive is important, avoid actions that write to it. Check S.M.A.R.T. with a tool like CrystalDiskInfo where the drive is attached directly (many USB bridges do not pass S.M.A.R.T.): [CrystalDiskInfo](https://crystalmark.info/en/software/crystaldiskinfo/). If partitions were overwritten or the table is damaged, try non-destructive recovery tools such as TestDisk: [TestDisk - CGSecurity](https://www.cgsecurity.org/)

Summary: verify power/port/enclosure first, use DiskPart/WMIC to confirm whether the OS sees the physical disk, avoid initializing/formatting if data is required, and move to direct SATA connection and S.M.A.R.T. checks before attempting recovery.

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Member Avatar for caperjack

its possibly a dead drive or not connected in the case correctly

Member Avatar for jerry.p009

yes reinstall the driver and make sure the HDD plugged is properly

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