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Thread: does formating ssd drive really harms it?

  1. #1
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    does formating ssd drive really harms it?

    i've read a part of this article
    https://www.unixmen.com/secure-erase-your-ssd/

    he says that it is like that (you need to be careful about using ssd)

    i want to sell my laptop and wipe it first, and then install windows 10
    what do you think i should do?
    thank you in advance
    Last edited by ronjjjg8885; September 20th, 2020 at 02:22 PM.
    my desktop computer has Ubuntu 20.10 64bit alongside windows 10 as dual boot

  2. #2
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    Re: does formating ssd drive really harms it?

    An SSD only need to be erased once.

    Overwrite it with 00H once only, then install Windows. Erasing flash memory actually turns all bytes into FFH, but Windows sees an all zero disk as a new disk and will then install without hassles.

  3. #3
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    Re: does formating ssd drive really harms it?

    how can i overwrite it with 00H once?

    and thanks for the tip
    my desktop computer has Ubuntu 20.10 64bit alongside windows 10 as dual boot

  4. #4
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    Re: does formating ssd drive really harms it?

    The following command will write zero on a drive from start to end:

    Code:
    sudo dd if=/dev/zero of=/dev/sdXY bs=1M
    BE CAREFUL! There is no way back from this, choose the "of=" with extra care!

  5. #5
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    Re: does formating ssd drive really harms it?

    ok

    do i need to type this from a live cd of ubuntu or from ubuntu itself?
    my desktop computer has Ubuntu 20.10 64bit alongside windows 10 as dual boot

  6. #6
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    Re: does formating ssd drive really harms it?

    From a live session, obviously.
    And again pay special attention to "of="

  7. #7
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    Re: does formating ssd drive really harms it?

    i've just one drive (the ssd) so i don't think i should worry.

    i will try to boot into live session and hope it will load because earlier i had a problem with it
    my desktop computer has Ubuntu 20.10 64bit alongside windows 10 as dual boot

  8. #8
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    Re: does formating ssd drive really harms it?

    You can blow the disk away by booting an install CD, then:
    $ sudo cat /dev/zero > /dev/sda
    ... very long wait ...

  9. #9
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    Re: does formating ssd drive really harms it?

    when i try to load ubuntu live session i don't have the 'live' option. when i choose the default option i get this problem:

    2020-09-20_16-59.png

    what can this be caused by?
    my desktop computer has Ubuntu 20.10 64bit alongside windows 10 as dual boot

  10. #10
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    Re: does formating ssd drive really harms it?

    the other option is faster HermanAB?
    my desktop computer has Ubuntu 20.10 64bit alongside windows 10 as dual boot

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