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Micro SD card 32GB, can not be formatted. Repair of the bootsector.

NieUmiem 24603 16
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How can I repair a microSD card that Windows can no longer format after DMDE wiped its partition/boot sector?

You cannot restore it to a real 32GB card if it is a fake or its actual usable size is only about 6–7GB; in that case, repartitioning or rewriting the boot sector will not make it trustworthy again [#16586122][#16592168] Try the SD Association formatter first, as suggested in the thread, because it is intended for bringing SD cards back to a usable state [#16593621] You can also check the card with H2testw and BootIce/USB Drive Info to see its real capacity and whether the media is broken or counterfeit [#16586011][#16586691] If the card is detected and its real capacity is known, you can create a partition only up to that actual size, but that still will not turn a small or defective card into a 32GB one [#16586134] The thread’s overall conclusion is that a card behaving like this after a reset/format failure is best treated as unusable and replaced, especially if it was already suspiciously cheap or fake [#16586457][#16586186]
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  • #1 16585977
    NieUmiem
    Level 16  
    Posts: 412
    Help: 2
    Rate: 25
    Hello, I have a problem with the 32GB microSD card (AT LEAST it's written on the card). I reset the card with the DMDE program at 21 or 22%, I do not remember exactly. After attempting to format the card, there is of course the information that Windows was unable to complete the formatting.
    DMDE shows the crossed-out disk after manually inserting the partition.
    I thought about downloading a copy of another memory card and putting it on this memory card. Alternatively, the dump file itself would restore at least the partition table. Is there anyone able to share one of these files? Even 8GB cards (because this card definitely does not have 32GB).
    I wanted to give my dad a photo card. Because I know that dad someone may give it later, I preferred to blur the data.
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  • #2 16586011
    Kolobos
    IT specialist  
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    Did you want to write "at least" instead of "by no means"? Get a little good before you start using such sophisticated expressions -> http://by least.pl/bymniej-to-nie-przyszo/
    I certainly do not write together for this.

    The card is original or is it some cheap fake from allegro, which has 8GB?

    Check the card with the help of -> https://www.raymond.cc/blog/test-and-detect-f...b-flash-drives-bought-from-ebay-with-h2testw/
    You can do it with the help of BootIce.

    > I thought to download a copy of another memory card and put it on this memory card

    I do not know where you came to the head of such a bizarre idea ...
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  • #3 16586122
    NieUmiem
    Level 16  
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    It's probably fake. It was a kind of class 10 32GB card. But it looks like it has a real capacity of about 6-7 GB.
  • #4 16586134
    Kolobos
    IT specialist  
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    It is a pity to play with it, later you can lose data. But if you really want to, you can check how much GB actually has and create partitions on this surface.
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  • #5 16586147
    NieUmiem
    Level 16  
    Posts: 412
    Help: 2
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    I want to bring this card back to action. We are not too rich, unfortunately, and every penny counts. Before the resetting, the card had transfers of 6 mb / s and sometimes even 8 mb / s. Now it has a transfer rate of 164kb / s - 456kbps


    The driver responsible for the full speed of the card has probably been removed.
  • #6 16586160
    Kolobos
    IT specialist  
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    Do not put a space before dots and commas!

    > We are not too rich, unfortunately, and every penny counts.

    That's why you buy counterfeits that do not work? Where is the logic here?
    8GB sd card costs 20zl, it is not a real estate.

    > The driver responsible for the full speed of the card has probably been removed.

    Where do you come from such things to your head? After all, it's not even funny.
  • #7 16586186
    E8600
    Level 41  
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    An unworthy card is better to buy a used one than to invest its time in such a dummy because that's how you can call this card-like product.
  • #8 16586434
    NieUmiem
    Level 16  
    Posts: 412
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    I did not buy this card. I got this card. The card worked until I reset it with the DMDE program. After running the scan, the h2test program does not even go into diskparate to delete the partition with the clean command because it crashes the crt data error. And it constantly shows raw partitions.
  • #9 16586457
    Kolobos
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    It worked and now it does not work. This is how the use of such fakes ends, throw the card into the basket on the electroschart and forget it.
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  • #11 16587487
    NieUmiem
    Level 16  
    Posts: 412
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    USB drive info will not unpublish the card when it is in the built-in adapter.


    Photo from gparted during scan:
    Micro SD card 32GB, can not be formatted. Repair of the bootsector.

    Why not screen? Because the scan will end in 2-3h.
  • #12 16587502
    pidar
    Mass storage specialist  
    Posts: 11336
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    NieUmiem wrote:
    USB drive info will not unpublish the card when it is in the built-in adapter.

    Nonsense.
    It will not recognize if the card will be broken (eg not detected by Windows).
  • #13 16588197
    NieUmiem
    Level 16  
    Posts: 412
    Help: 2
    Rate: 25
    Micro SD card 32GB, can not be formatted. Repair of the bootsector.

    Added after 3 [minutes]:

    Will I be able to manually add these parameters? If so, what program to do it and how? Micro SD card 32GB, can not be formatted. Repair of the bootsector.
  • #14 16589575
    mati211p
    HDD and data recovery specialist  
    Posts: 16916
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    Can I save anything on this card now? Why do you want to repair the boot sector, or rather write it manually, if the card was ok, then the whole partition would automatically boot the system, including the correct boot sector? As you will find the card correctly and will read it, you can enter any partition there, you can enter the size of the partition you want.
  • #15 16592120
    NieUmiem
    Level 16  
    Posts: 412
    Help: 2
    Rate: 25
    For what ? And this card is not going to be formatted so that I can not use it properly. DMDE did not manage to insert the partition. Although GPARTED inserted the fat32 partition, it is not fully functional.
  • #16 16592168
    Kolobos
    IT specialist  
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    Yes, please continue the thread for 8GB, probably the card has less and is not suitable for storing data, unless you want to write "How to recover data from the card ...".
    Pendrives can still be used in such a situation, but such cards are sought out, and not tried to be repaired.

    If you do not have money then give away some leaflets and you will have 20zl on the card.
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Topic summary

✨ The discussion revolves around a malfunctioning 32GB microSD card that cannot be formatted after an attempt to reset it using the DMDE program. Users suspect the card may be a counterfeit, as it appears to have a real capacity of only 6-8GB. Various suggestions are made, including using tools like H2testw and BootIce to verify the card's actual capacity and integrity. Some participants advise against further attempts to repair the card, suggesting it may be more prudent to discard it and purchase a legitimate replacement. The author expresses a desire to recover the card for practical use, despite its current poor performance and inability to format properly.
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