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Old 04-03-2011, 05:45 PM
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Default CF Card reading problem
I have a Canon 7D and I have 2, 8G CF cards.. one card will reader, but the other one I have to plug my camera into my computer and transfer files that way..

any ideas on what causes this and how to fix it so I can use my card reader with both cards??


(neither card came WITH the reader, nor are either one from the same manufacturer as the reader)

thanks

Kelly
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Old 04-03-2011, 06:08 PM
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Try the latest Sandisk Extreme or Lexar Professional UDMA CF card reader.
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Old 04-03-2011, 06:20 PM
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Both cards are Sandisk extreme III's ...
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Old 04-03-2011, 06:28 PM
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Both cards are Sandisk extreme III's ...
What is the brand of your card reader? I have no problem reading Sandisk III, IV and Ducati CF cards (from Nikon D3, D300, Canon 5D Mk II and 5D) using these two card readers (Sandisk Extreme and Lexar Professional UDMA CF USB 2.0).
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Old 04-03-2011, 06:32 PM
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I have a cheap reader.. EFilm I think is the brand...

but it works fine with ONE card... just not the other
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Old 04-03-2011, 06:35 PM
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I use three Lexar Professional UDMA FireWire 800 CompactFlash Card Readers, one stacked on another. Works good...and quick downloading. Plugging a cord into your camera and computer makes downloading slower than molasses.
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Old 04-03-2011, 06:38 PM
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Quote:
Originally Posted by Kellyj69 View Post
I have a cheap reader.. EFilm I think is the brand...

but it works fine with ONE card... just not the other
I NEVER use cheap readers...don't want any readers ruining my cards. Note that your reader is already showing random behavior while those two I suggested work for years.
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Old 04-03-2011, 07:28 PM
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Quote:
Originally Posted by Kellyj69 View Post
I have a cheap reader.. EFilm I think is the brand...

but it works fine with ONE card... just not the other
Is it the 27,000-in-one model? I have one sitting around somewhere, it's spotty at best. Now that I have a built-in SD reader, I only ever use it for cell micro-SD cards. My personal favorite is the Lexar FireWire reader, but if you're on a PC you'll need USB. Still, go with SanDisk or Lexar.
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Old 04-04-2011, 03:39 AM
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ok.. let me rephrase my question...

aside from the brand of card reader that I have.. is there a reason it would read one card and not the other??
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http://www.atxphotoguy.com#
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Old 04-04-2011, 05:36 AM
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Quote:
Originally Posted by Kellyj69 View Post
ok.. let me rephrase my question...

aside from the brand of card reader that I have.. is there a reason it would read one card and not the other??
It's not the card. I have that same exact card reader. It doesn't work consistently.
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