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iMac won't read SD cards

27591 Views 22 Replies Latest reply: Mar 11, 2014 6:02 PM by BlaStar RSS
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dradd Level 1 Level 1 (20 points)
Currently Being Moderated
Apr 26, 2012 1:17 PM

Hello,

 

I have a mid 2010 27" iMac, and I use Aperture for my photos.

 

Recently it has stopped reading SD cards from my camera (Canon EOS600D) via the SD card slot.

 

I have re-formatted the card via the camera but wiht no success.

 

What else is weird that it won't even see the card via an external SD card reader, and yet the camera has no problems saving photos onto the card and playing them back from the card.

 

The only way I can get the photos off of the card is to connect the camera via USB to the iMac, and then Aperture sees the pictures on the card fine, and imports them.

 

I have tried other cards, and get the same problem.

 

Can anyone suggest what the problem might be here - it's driving me nuts.

 

Many thanks in advance.

iMac, Mac OS X (10.7.3)
  • Mike Sombrio Level 6 Level 6 (9,125 points)
    Currently Being Moderated
    Apr 29, 2012 5:20 AM (in response to dradd)

    No, you're not the only one, there are several of the same type threads going on. Fortunately (for me) I don't have this problem. I found this

     

    I put the card in the slot, but it did not mount.  What should I do?

     

    Remove the card and insert it again. Sometimes, if you put the SD card into the slot too slowly, it may not mount properly.

     

    On this page, give it a look.

     

    http://support.apple.com/kb/HT3553#2

  • Mike Sombrio Level 6 Level 6 (9,125 points)
    Currently Being Moderated
    Apr 29, 2012 5:25 AM (in response to dradd)

    And I found this

    http://support.apple.com/kb/PH4460

     

    Is it even possible to insertthe card in the wrong orientation? I'd have to go to my office where my iMac is to try and right now having morning coffee I'm too lazy to do that.

  • LexSchellings Level 5 Level 5 (5,510 points)
    Currently Being Moderated
    Apr 29, 2012 5:49 AM (in response to dradd)

    In another thread about this not seldom problem, I read someone stating that he sprayed a little bit contact spray into the sd slot, and after that the sd card was read OK everytime. ?!

  • Mike Sombrio Level 6 Level 6 (9,125 points)
    Currently Being Moderated
    Apr 29, 2012 6:47 AM (in response to dradd)

    Run software update to see if anything needs to be brought up to date. Have you tried insertingthe card and starting Disk Utility to see if DU recognizes it?

  • Mike Sombrio Level 6 Level 6 (9,125 points)
    Currently Being Moderated
    Apr 29, 2012 8:46 AM (in response to dradd)

    Never meant to imply that you didn't know your way around.....you camera choice and the fact that you use aperature led me to believe otherwise :-)

    Have you tried resetting the SMC? I'm out of ideas after that.

  • Mt.Osc Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 4, 2012 3:42 PM (in response to dradd)

    I've had the same issue for a while. Stumbled accross something that worked for me by accident.

     

    Leave the SD card in the slot and restart your computer. When it boots up again, it should automatically be mounted.

  • jaroc Level 1 Level 1 (0 points)
    Currently Being Moderated
    Oct 9, 2012 5:10 AM (in response to Mt.Osc)

    have just experienced the same problem, my imac is only 4 months old!! after sitting on the phone to Apple support for half an hour then running through a whole lot of techy rubbish that didn't help the situation, I was put onto a "senior support officer" (almost an hour and a half later) only for him to tell me I need to MOVE closer to a city to get a technician to come and help me. I was quite relaxed and obliging until this comment lol perhaps their resellers need to have a bit of technical/service training provided. anyways enough of my rant, I decided to investigate further myself, tried a few things others had suggested, then tried your way...tadaaaaa there it is THANKYOU Mt.Osc!!!!!!!! wish I had've read this 2 hrs ago!!!!!!!!!

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  • Mike Osborn Level 4 Level 4 (1,205 points)
    Currently Being Moderated
    Dec 13, 2012 9:10 AM (in response to dradd)

    I think Apple's fix for this is shown in the new iMac design:

     

    Put the SD card slot on the rear of the computer where nobody will want to use it. Reported problems with the computer not reading SD cards will drop dramatically. Problem solved.

     

    (LOL....sorry....couldn't resist).

  • vincent from castro valley Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jan 8, 2013 1:31 PM (in response to dradd)

    I have the same problem.  I tried EVERYTHING, Verifying the disk, resetting the PRAM, rebooting with the SD card in the slot, rebooting without the SD card in the slot, full power down with unplugging the power for minutes, and the best I get is one SD card will mount with a reboot, but the images all are locked (there is a lock icon next to each image) and once you eject them correctly, you still can't mount a second SD card until you reboot with the new card in the SD slot.

     

    This is definately an widespread and longstanding problem with the SD slots on multiple Apple computers (desktop, laptop), which has not been addressed.  This is especially frustrating becuase I purchased a Mac specifically for the editing, managing, and publishing of my photography.  I'm now hampered by not having a functioning SD card slot. 

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