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New camera card not recognized by computer

Discussion in 'PC/Windows/Linux' started by BrianDW, May 17, 2018.

  1. BrianDW


    May 14, 2014
    Portsmouth UK
    Cards, in the plural, I should say; so it is unlikely to be faulty cards. New Sandisk 64 GB SDXC from Amazon (so probably kosher).
    They appear to work fine in my D7200. Number of available image space is reported as 1.1k, and I can review recorded pictures.
    The Windows 7 computer cannot read the cards, and reports them as needing format (they were formatted in-camera).
    Everything still works fine with the old 32 GB cards.
    Is it possible that my card reader cannot handle 64 GB? I still use USB 2.
    Help appreciated.
  2. pforsell


    Jan 15, 2008
    Perhaps your card reader is not compatible with SDXC but only with the older SD and SDHC standards?
    • Agree Agree x 3
  3. Nave you tried hooking the camera directly to the computer via USB cable?
  4. Growltiger

    Growltiger Administrator Administrator

    Buy a new card reader. You can upgrade to a USB3 reader at the same time.
  5. Butlerkid

    Butlerkid Cafe Ambassador Moderator

    Apr 8, 2008
    Rutledge, Tennessee
    FWIW.....I only use a separate card reader, not one built in to the computer. That way I can take it with me when traveling, and easily update/replace the card reader when necessary.
  6. Russ_


    Feb 20, 2011
    New Zealand
    Yep, what he said most likely.
  7. BrianDW


    May 14, 2014
    Portsmouth UK
    Hoping and praying that this is the answer.

    Yes, I was able to transfer the images by this method; so I guess this proves the cards are OK.

    I will. Will this be backwardly compatible with my USB 2 computer? Or will I have to upgrade to a new USB 3 PCI card for the computer?

    Thanks to the above, also to Karen and Russ for responding.
  8. Growltiger

    Growltiger Administrator Administrator

    A USB3 device is always backwards compatible with USB2. So it will work. And one day when you have a computer with USB3 it will be faster.
  9. BrianDW


    May 14, 2014
    Portsmouth UK
    My new USB-3 card reader just arrived. My 64 GB cards are now recognized just fine by my PC. As you all knew they would, of course. Thanks guys.
    • Like Like x 1
  10. Glad this worked out for you.
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