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Thread: Cannot access CF card from computer

  1. #1
    Senior Member Rawfa's Avatar
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    Cannot access CF card from computer

    Hi guys,

    Im trying to install Magic Lantern on my MarkII and it needs to be done from the Compact Flash memory card via memory card reader. Ive bought a memory card reader today and when I tried to read from the 32gb CF memory card it said it needed to be formated but it shows only like 20GB. I went to windows disk management where I could see the CF card was unallocated. When Ive tried allocating it without formating it the system told me "Data error (cyclic redundancy error)". Also, when I try to format it it wont allow me the option to use FAT.
    Ive put the card back in the MarkII and it reads it perfectly (and finds 29GB memory space).

    Any thoughts?
    Last edited by Rawfa; 1st April 2013 at 15:28.

  2. #2
    Senior Member Rawfa's Avatar
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    Re: Cannot access CF card from computer

    I formated the CF card on the MarkII 3 times and it works. I think it might be the card reader that is not working properly.
    Is there anyway to use the MarkII as a mass storage?

  3. #3
    Senior Member Rawfa's Avatar
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    Re: Cannot access CF card from computer

    It turns out the memory card reader was defective. Ive exchanged it for a new one an all is well

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