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FORUMS General Gear Talk Computers 
Thread started 06 Aug 2011 (Saturday) 06:43
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Mac no longer reads CF cards.

 
hunter440
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Aug 06, 2011 06:43 |  #1

My I-Mac is no longer reading my compact flash cards. I have tried three different card readers with no luck. It appears that only CF cards are affected. For example...using the same card reader I can plug a SD card in and it shows up right away. Plug in a CF card...nothing happens.
I can also use an older reader USB 1.0 and the cards can be seen.

Of course I have tried different cards reboot, and even upgraded to “Lion” in hopes this would solve the problem.

Any ideas?




  
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tim
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Aug 06, 2011 07:11 |  #2

Sounds like a faulty card reader. Buy a new one.


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hunter440
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Aug 06, 2011 07:12 |  #3

tim wrote in post #12886671 (external link)
Sounds like a faulty card reader. Buy a new one.

Did that yesterday. Same problem.




  
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-AP-
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Aug 06, 2011 07:29 as a reply to  @ hunter440's post |  #4

Maybe verify your disk permissions?
Does it read the card directly from the camera?


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tim
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Aug 06, 2011 07:33 |  #5

hunter440 wrote in post #12886680 (external link)
Did that yesterday. Same problem.

Try a new cable?


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hunter440
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Aug 06, 2011 13:34 |  #6

-AP- wrote in post #12886739 (external link)
Maybe verify your disk permissions?
Does it read the card directly from the camera?

No, it seems that CF cards are invisible to the system. I have used three different readers ad cables...no luck! What is strange is the fact that I can put a SD card into the reader and it works.




  
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tekkie
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Aug 06, 2011 14:32 |  #7

did you try a different model of card reader? different model of CF cards? it sounds like a compatibility issue with lion


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hunter440
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Aug 06, 2011 15:27 |  #8

tekkie wrote in post #12888213 (external link)
did you try a different model of card reader? different model of CF cards? it sounds like a compatibility issue with lion

Yes, three different brands of readers and cards...I also had the problem before "lion" and thought that lion might provide a fix.




  
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crn3371
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Aug 06, 2011 15:33 |  #9

Are you by chance plugging into the ports on the keyboard? If so, try the ports on the iMac itself.




  
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hunter440
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Aug 06, 2011 15:45 |  #10

crn3371 wrote in post #12888407 (external link)
Are you by chance plugging into the ports on the keyboard? If so, try the ports on the iMac itself.

Nope, plugging into the back of the i-mac USB.




  
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-AP-
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Aug 06, 2011 16:15 |  #11

hunter440 wrote in post #12888028 (external link)
No, it seems that CF cards are invisible to the system. I have used three different readers ad cables...no luck! What is strange is the fact that I can put a SD card into the reader and it works.

Hunter, I would run the permission check on your primary partition, not the "unseen" CF card. Sorry for the confusion. I had similar problem with my SD card reader some time ago.


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hunter440
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Aug 06, 2011 18:19 |  #12

I am not sure of the odds of getting two “bad” card readers of different manufactures in the past two days would be. I am however happy to report that I just came home with another one and it works.

Looks like the other two “new ones'” are going back.

Thanks for the suggestions!




  
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suecassidy
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Aug 06, 2011 18:27 |  #13

Could it be that you were trying to upload high capacity cards on a reader that is a bit older and it couldn't handle it? I'm in San Francisco for the weekend and bought a card reader that doesn't work because it can't handle 16 GB cards. I didn't realize that would happen. Anyhooooooooo, I see that you've solved your problem. I'm going to have to go out yet again and buy a different reader to solve mine. grrrrr.


Sue Cassidy
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sbattey
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Aug 06, 2011 22:44 |  #14
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Did you try using a different usb port? Maybe the port is faulty?


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Tarzanman
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Aug 10, 2011 11:12 |  #15

Try using a shorter cable. I've had issues before with USB runs that were too long




  
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Mac no longer reads CF cards.
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