Windows 8 and 8.1 Forums


SSD RAW Format fail - not accessible

  1. #1


    Posts : 4
    Windows 8.1

    SSD RAW Format fail - not accessible


    Hi everyone, i'd really appreciate some help cause i absolutely dont know what to do anymore...
    I have my SSD (Samsung SSD 840 EVO 250 GB) and apparently i totally screwed it up...
    I had a boot failure, tried reinstalling Windows which failed because Windows couldn't format the disk.
    I tried GParted, formatted it, deleted mbr or whatever & created a new one (by all that screwed it up even more probably)
    The problem persisted.
    Check Tools like Samsung Magician tell me the drive is ok, S.M.A.R.T. results look okay, too.
    Now i've installed Windows (8.1 btw) on another HDD and i'm running testdisk on the SSD, but somehow i dont get any positive result whatever i try there (i dont really know what to try so im trying relatively randomly every option)...
    Anyway i just want to install Windows, a fresh clean install, on this SSD, dont care about data...
    But how when i dont get Windows to be able to acces / format it?

    Thanks in advance and excuse my bad english please

      My System SpecsSystem Spec

  2. #2


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    If you have not tried "Diskpart" then:
    1. Win+X->Command Prompt ( Admin)
    2. Type: diskpart
    3. Type: list disk
      Take a note of the disk # by looking at the size of the SSD
    4. Type: select disk #
      Where # is the disk # in step 3
    5. Type: clean
    6. Type: Exit


    Open disk management: Win+X->Disk Management and look if the SSD on the list and unallocated. If it is on the list:
    1. Shutdown your PC
    2. Disconnect the HD and leave the SSD in the PC only.
    3. Try installing Windows. Click on custom install, you see the SSD with unallocated partition, do not format, click Next and let Windows create the needed partitions for you, click next to install.
      My System SpecsSystem Spec

  3. #3


    Posts : 4
    Windows 8.1


    Thank you for the reply!
    i executed the diskpart clean command, the outcome was negative:



      My System SpecsSystem Spec

  4. #4


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    From the screen shot, I saw that disk 0 is unallocated. Can you right click on it then select create simple volume ? if not, download:
    Now downloading: Samsung SSD Magician 4.6 - TechSpot
    Install then run. Make sure you have the latest firmware as seen in the screen shot:

    Click image for larger version

    EDIT: Your SSD might be defective. If it fails to update the firmware then I would get a replacement for it.
      My System SpecsSystem Spec

  5. #5


    Posts : 4
    Windows 8.1


    He failed to update the firmware and to create a new volume (even without formatting)...
    So its really defective, i guess.
      My System SpecsSystem Spec

  6. #6


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    Try to replace the cable of the SSD to make sure it's not faulty.
    Good Luck
      My System SpecsSystem Spec

  7. #7


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Have you tried the Migration software provided with the SSD?
      My System SpecsSystem Spec

  8. #8


    Posts : 4
    Windows 8.1


    Thank you for the help, topgundcp! I already tried another cable.
    With the data migration software, I would try to migrate my OS to the SSD, right?
    I'm sceptic of that to work out, I already tried to copy some folders onto it when I had it formatted with gparted in ntfs which windows did, but with a perennially changing speed of 0 - 500 kb/s
    But I'll try that software this evening... thanks
      My System SpecsSystem Spec

  9. #9


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    Quote Originally Posted by Flo0o View Post
    Thank you for the help, topgundcp! I already tried another cable.
    With the data migration software, I would try to migrate my OS to the SSD, right?
    I'm sceptic of that to work out, I already tried to copy some folders onto it when I had it formatted with gparted in ntfs which windows did, but with a perennially changing speed of 0 - 500 kb/s
    But I'll try that software this evening... thanks
    Do you have another PC to connect it to see if it works ? If not, I would issue an RMA and request for a replacement since you've already tried another cable and could not update the firmware.
      My System SpecsSystem Spec

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