Problem reformatting external SSD

  1. Posts : 132
    Win 10 Pro x64 Ver 20H2

    Problem reformatting external SSD

    Just got a Samsung T5 portable 2-TB SSD. Ran the included software, moved some files onto it, and went to bed. Realized this AM I'd forgotten to record the password.

    The files weren't that important, so I thought I'd just reformat the SSD. But Windows reports it will format as 41.9 MB-hardly useful.

    How can I format this to its fulll size?

    (Win 10 ver. 1909, on oild laptop)
      My Computers

  2. Posts : 18,453
    Windows 11 Pro

    In a command prompt with admin privileges:

    list disk
    select disk # <-replace # with the actual number for the USB SSD
    clean <- this will completely erase the disk selected above make sure it is the USB SSD!
    convert GPT
    select part 1<- this may actually fail, don't worry if it does, just continue.
    delete part 1 override <- if the above command failed, so will this, just continue
    create part pri
    format fs=ntfs quick
    Note that the above commands will completely erase the SSD, including any software that was provided on it by the manufacturer.
      My Computer

  3. Posts : 2,230
    Windows 11 Pro (latest update ... forever anal)

    Newmaven said:
    Ran the included software, moved some files onto it
    Not uncommon for proprietary software included with an external drive, to cause problems.

    Wisest steps to take - delete all partitions then re-partition anew before any use.
      My Computers

  4. Posts : 132
    Win 10 Pro x64 Ver 20H2
    Thread Starter

      My Computers


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