MicroSD Card drive cant open and cant format

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  1. Posts : 14,577
    Windows 10 IoT
       #21

    Hit it with a hammer, assuming you are going to dispose of it afterward.
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  2. Posts : 16,278
    W10Prox64
       #22

    alphanumeric said:
    Hit it with a hammer, assuming you are going to dispose of it afterward.
    Physically destroy it.
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  3. Posts : 346
    Windows 10 21H1 Pro 64-bit
    Thread Starter
       #23

    alphanumeric said:
    Hit it with a hammer, assuming you are going to dispose of it afterward.
    simrick said:
    Physically destroy it.
    I have another samsung evo+ card which I am talking about on how to erase all data and cant be recover.
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  4. Posts : 16,278
    W10Prox64
       #24

    jk22 said:
    I have another samsung evo+ card which I am talking about on how to erase all data and cant be recover.
    IDK - does Samsung Magician work on their SD cards?

    MicroSD Card drive cant open and cant format-image.png

    To securely erase the card, you need to EITHER physically destroy the card (render into sub-2mm˛ particles) OR use a utility (from the vendor) to trigger the secure-erase function.
    Multiple writes (of random data), or reformatting will NOT necessarily remove the data.
    How can I completely erase all data on a (micro) SD card? - Ask Ubuntu

    Simply writing zeroes or random data will not secure erase it.

    Modern non-volatile solid-state memory uses wear leveling to stop repeated read/writes overusing any particular section of the memory. (See: searchsolidstatestorage.techtarget.com/definition/wear-level*​ing) This means that data writes intending to 'overwrite' may actually be saved elsewhere. It also means that the true memory capacity is several 100 times more than stated, to allow for on-going reallocation. As noted in my answer, you must invoke the manufacturer's secure-erase function, to bypass any 'wear leveling' effects.
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  5. Posts : 346
    Windows 10 21H1 Pro 64-bit
    Thread Starter
       #25

    simrick said:
    IDK - does Samsung Magician work on their SD cards?

    MicroSD Card drive cant open and cant format-image.png



    How can I completely erase all data on a (micro) SD card? - Ask Ubuntu

    Simply writing zeroes or random data will not secure erase it.
    Okay I will check and update it.
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  6. Posts : 16,278
    W10Prox64
       #26

    jk22 said:
    Okay I will check and update it.
    Let us know if it works on cards - curious about that.
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  7. Posts : 3,446
       #27

    If I may hijack...

    Are micro-SD's all that? especially given it's price - I always seem to have issues with it... sometimes it's being recognised, others not... often have to push-click the thing before it shows as as accessible (.. oh and I mean for those that don't use it in camera's etc)
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  8. Posts : 16,278
    W10Prox64
       #28

    Superfly said:
    If I may hijack...

    Are micro-SD's all that? especially given it's price - I always seem to have issues with it... sometimes it's being recognised, others not... often have to push-click the thing before it shows as as accessible (.. oh and I mean for those that don't use it in camera's etc)
    +1
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  9. Posts : 14,577
    Windows 10 IoT
       #29

    Superfly said:
    If I may hijack...

    Are micro-SD's all that? especially given it's price - I always seem to have issues with it... sometimes it's being recognised, others not... often have to push-click the thing before it shows as as accessible (.. oh and I mean for those that don't use it in camera's etc)
    It's what my Raspberry Pi's use as the hard drive. I don't have much choice but to buy Micro SD cards for them. And just to keep me on my toes, some model Pi's are click lock and some are friction lock card slots. Most of my readers are for full sized cards so I end up using a Micro SD to SD adapter. My camera on the other hand uses a full sized SD card.
      My Computer


  10. Posts : 14,577
    Windows 10 IoT
       #30

    I have about a dozen Micro SD cards on the go and knock on wood, no failures yet. And some have been reimaged many many times. Plus, as I mentioned above, most are being used as the boot drive and see a good number of reads and writes. I buy good quality name brand class 10 cards from reputable sources. That's one thing I won't buy on e-bay etc. To many fakes etc. Most of mine are SanDisk Ultra's.
      My Computer


 

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