Windows 10: Locked Samsung 850 EVO SSD

Discus and support Locked Samsung 850 EVO SSD in Windows 10 Drivers and Hardware to solve the problem; Hello! If this has been answered before, please point me to the appropriate thread. Last night we were checking old hardware in our Service... Discussion in 'Windows 10 Drivers and Hardware' started by spapakons, Sep 17, 2016.

  1. spapakons Win User

    Locked Samsung 850 EVO SSD


    Hello!

    If this has been answered before, please point me to the appropriate thread.

    Last night we were checking old hardware in our Service Department long abandoned from our customers (more than 8 months). Among them there was a Samsung 850 EVO 250GB SSD 2.5" SATA. I connected the drive in our test computer, checked it with HDD Sentinel, it was in perfect condition and also passed both tests, short and long. Since the customer is no longer interested, we can keep the disk and use it in our service for backups or whatever. However I discovered the SSD is locked with a password and of course I don't know what it is! I have read somewhere that we can unlock it with the master password, so where can we find it? Is there any other solution? We tried a low level format but it won't start because of I/O errors (that is because it is locked and blocks any other command to the drive). I read elsewhere that I can unlock it using the SNID printed at the back of the drive and even tried the Samsung SNID Revert utility only to get the message that it unlocks the next level (higher, don't remember how it's called), not level 0 (disk password), so it didn't proceed.

    Any help appreciated!

    Data that may help:
    Description: Samsung 850 EVO 250GB
    P/N: MZ7LN250
    Model: MZ-75E250
    MSIP-REM-SEC-MZ-75E250

    Thank you in advance!

    :)
     
    spapakons, Sep 17, 2016
    #1

  2. Win10 clean setup issue with my Z68 or my SSD?

    120Gb Samsung 850 EVO SSD. There is no new firmware for it.
     
    Vladimir Krasnoshchyokov, Sep 17, 2016
    #2
  3. Anyone upgrade to a SSD? Will there be a significant improvement in performance?

    which SSD u got? im leaning towards the samsung 850 EVO.
     
    jesseholiday, Sep 17, 2016
    #3
  4. RolandJS Win User

    Locked Samsung 850 EVO SSD

    If it's on-board/circuit-level encryption, loaded with data, then password-locked, you might need the software that "started" the whole thing. I'll be listening in and learning right alongside with you.
     
    RolandJS, Sep 17, 2016
    #4
  5. simrick Win User
    simrick, Sep 17, 2016
    #5
  6. simrick Win User
    And I also found this:

    View topic - Unlocking Samsung SSD 256 Gb - 7PC256HAFU ATA Password

    I've also read that Samsung have a PSID Revert Tool somehwere, but I haven't been able to find the download (is that what you are using?). I did see someone mention on Crucial's site that their PSID Revert Tool worked on a Samsung 850 using a W7 system.
    PSID Revert tool alpha release - Crucial Community
    Page 7 has the comment.
     
    simrick, Sep 17, 2016
    #6
  7. Cliff S New Member
    I don't know if this will help, but I thought I'd post it:
    From the Samsung Magician Help file
    If you download Magician and use it'S Secure Erase, it might get rid of the data and hence the encryption, also you could try using DISKPART>clean all
    Tutorial:Disk - Clean and Clean All with Diskpart Command - Windows 7 Help Forums

    I am supposing you are NOT interested in you old customers data*Wink
     
    Cliff S, Sep 17, 2016
    #7
  8. spapakons Win User

    Locked Samsung 850 EVO SSD

    Thank you all for your reply. The Samsung PSID Revert tool unlocks drives locked in the next level (TCG Opal, see Cliff S reply above). Mine was locked at the first level (Class 0, password protected), so the tool did nothing. The password is at the first sectors of the disk (as far as I have read), so a low level format would unlock it. The problem is that the drive rejects all commands unless unlocked, so one cannot just do a low level format, it's the first I tried. I even downloaded the trial version of Blancco but tried the wrong method to unlock it and failed. Later I loaded Blancco again to try the SSD delete method but the 20 minute trial had expired and couldn't proceed! Maybe I just apply for a new trial key later.

    I have already found the links you suggest but did nothing. The time was 3:00am so I had to quit and sleep.

    Any more help appreciated.

    PS: I tried the secure erase in Magician but denied to proceed, it suggested to unlock the drive and try again. Also Diskpart could not do anything. The drive rejects all commands unless unlocked.
     
    spapakons, Sep 17, 2016
    #8
  9. Cliff S New Member
    To know that it is this difficult is good to know, now I'm thinking about setting it up to protect against ransomware.
    Although...
    being over 50 and living alone here in Germany if something terrible happens to me, I would actually want the authorities to have access to my PC, so they could inform the people in my Contacts list in Outlookt(or People app).

    I guess I could write my passwords somewhere where they could/would find it.
     
    Cliff S, Sep 17, 2016
    #9
  10. essenbe Win User
    I would not run the 'clean all' command on an SSD. The 'clean' command is about all that is necessary and won't damage the drive.
     
    essenbe, Sep 17, 2016
    #10
  11. thekelt Win User
    I note in Magician the Help icon for Class 0 says "User can set the BIOS password to enable Class 0 security mode depending on the system or BIOS support. This enables the data protection before boot loader is called."
    I have an 840 EVO 1 TB but when I hit "How to Enable" it repeats the above information. So I'm assuming the psw is in the BIOS of the original computer. I do have a general BIOS psw but unsure if my system, as they say, will support Class 0. Secure erase is supposed to erase to factory default but doesn't say if a Class 0 psw will block it. May have to ask Samsung direct if there is a way to remove it. I assume it can be removed in the BIOS if it can be set there, but if BIOS is not available, that is a mystery. Will check when I reboot if my BIOS allows Class 0, and if it can be set and removed at will just like a general password. Cheers.
     
    thekelt, Sep 17, 2016
    #11
  12. spapakons Win User
    Of course I have opened a support ticket in Samsung. Hopefully tomorrow I'll have news from them. The clean command in Diskpart failed, the drive rejects all other commands unless unlocked with the user password or a master password. Does anyone knows any default master password for Samsung SSDs (hopefully the owner hasn't change it)? Thank you.
     
    spapakons, Sep 17, 2016
    #12
  13. Cliff S New Member

    Locked Samsung 850 EVO SSD

    Just found this in the help file: 15. Security mode (Class 0, TCG/Opal, or Encrypted Drive) must be disabled (unlocked) before removing and installing in another PC.

    Unless the original owner can turn the encryption off for you, you have a nice geeky paperweight is all.
     
    Cliff S, Sep 17, 2016
    #13
  14. spapakons Win User
    Let's see what Samsung says about it. If they cannot (or don't want) to help me, I guess I'll just throw it away. If it was just 120GB I would have already but it is 250GB and it would be pity... Thank you anyway.
     
    spapakons, Sep 17, 2016
    #14
  15. thekelt Win User
    My BIOS is Amer. Megatrends Ver 2.10 and apparently does not support Class 0 as I found nothing that allowed me to activate this level of security. Good luck with Samsung. I would think they would have a back door for this because if ur MOB died and the BIOS lost, putting the drive with a new MOB would be problematic, same probelm. Good luck.
     
    thekelt, Sep 18, 2016
    #15
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Locked Samsung 850 EVO SSD

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