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SD card won't read in Windows computer

Discussion in 'Digital Photography & Imaging' started by dwmvt84, Jun 15, 2018.

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  1. dwmvt84

    dwmvt84 Thread Starter

    Jun 15, 2018
    Have an SD card used in a Canon 60D DSLR. I have frequently connected this same card to my Windows 10 computer via usb port to download images. Last week, I copied some image files to my daughter's MacBook, no problems. Image files are still on the card, as I can look at them in the camera. However, my windows computer does not recognize the card. When I plug in the usb card-holder, Windows recognizes the drive, but does not see the content and asks that a card be inserted.

    Did I reset something in the card when I used it in the Mac? If so, can I reset? Is this due to some windows update that corrupted some driver? Please advise.
  2. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

    Jan 14, 2010
    Yes, possibly when you used it on the Mac it changed the file structure.
    is the card itself actually recognised in disk management as against in windows explorer - This computer
    Try first inserting the drive and then booting the computer as against inserting the drive with windows running

    Disk Management
    Right click bottom left - Microsoft flag
    disk management
  3. kenbok51


    May 31, 2011
    Or a more simple method to recover the photos would be to copy them from the MAC to a flash drive and then to your PC before using the camera or Windows to format out the card. Also it's possible the MAC removed the full sized photos while copying, but left thumbnails behind which Windows does not recognize as JPEG. I don't use MAC's so this is just a guess on my part.
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