MacBook Pro won't read Sandisk SDHC cards since Lion 10.7.1 update

Hi all, just wondering if anyone else has had this problem. I know there are dozens of posts about SD cards not working with MacBook pros, but mine seems to have started when I installed the latest Lion update.


I have a high-end 13" early 2011 MBP and the cards I'm having trouble with are all Sandisk 4GB SDHC. Two are 'Extreme III's" and one is an Extreme II. The card reader is showing up in System Profiler, and a really old 2GB Sandisk card gets read fine, so there doesn't seem to be anything wrong with the MBP hardware.


Similarly, I can read the cards fine via a USB adapter, so it's not the cards that are causing the problem.


I had successfully imported photos from the cards before upgrading to Lion, and also before installing the 10.7.1 update. So, it looks like the problem may be linked with the update, but this is purely an educated guess.


I've tried resetting the SMC to no avail.


Has anyone else experienced something like this?

MacBook Pro, Mac OS X (10.7), 13" 2011

Posted on Aug 20, 2011 4:46 AM

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Posted on Dec 25, 2011 12:15 AM

Took my MBP to the Apple Store yesterday to investigate the SD card slot. They said the logic board would need to be replaced. It's not dust in the slot, it's not a software issue.


I can get the SD slot to read memory cards but the cards appear to the MBP to be write-protected. USB and FireWire card readers work fine.


Wish Apple didn't go so cheap with the SD card reader being on the USB bus, it's so **** slow. Couldn't they have put it on FireWire 800?


Anyway, MBP will get sent to Apple to get the logic board replaced.

127 replies

Mar 28, 2013 7:58 PM in response to aledco

Here's an interesting twist. We bought both a Macbook Pro and a Mac mini in December 2013. My mini reads the SDHC card just fine, but the Macbook Pro won't. Here's the difference: We upgraded the OS on the Macbook to 10.8.3. The mini is still at 10.8.2. Obviously, a problem in the update. Apple better fix this soon. You can bet I'm not upgrading the mini until this fixed.

Oct 20, 2013 6:58 AM in response to matanglawinx

I have MBP 17" with ML 10.8.5 and can only read SD cards in my Kingston Card reader. If I use an generic SDHC only reader it only reads the card if the are formated EXFAT and not FAT32 which my camera needs.


I have two 16Gb SANdisk and 1 8Gb transend. All work in Kingston but not the generic readers. I reset the SMC which did not help. I removed and re-installed xQuartz and I could read the disk once. After that it fails again. Most of the time the generic card reader does nothing. If I am lucky it says it can read the disk, initialize or eject. Any tips welcomed as finding anothe Kingston reader might be difficult.

Feb 16, 2012 1:09 PM in response to shaunbent01

shaunbent01 wrote:


As with Shelagh - I have installed all the updates available on Software Update and launched X11 and was not prompted to update it.


I am not sure that dust is effecting my machine as I can not see how Lion is more effected by dust that Snow Leopard. Same with the logic board really - I can not see how Lion is more effected than Snow Leopard. I may be wrong.


Does anyone know how to report this to Apple? I have seen numerous people ask this but the question always seems to be ignored.


Any help would be greatly appreciated.

Feedback http://www.apple.com/feedback/

Jun 6, 2012 11:33 PM in response to Supritha

I finally came back to this and have tried all of that. The first link did not work for me as it was for Lion but in the end i downloaded the one for XQuartz and it said I had the latest update. I even tried blowing into the slot but nothing has worked.


I dont know it his is an issue since a Lion update for I have always, since getting this MBP, had it happen the odd time where the cards did not mount properly. I would just copy the files to my desktop folder but I was never able to delete the files from the card and would have to reformat it once back in the camera. But most of the time it did work so I left it well enough alone.

But it seems to happe every time now. And all sizes of cards, even lowly 2gig cards.And tonight I need to transfer some MP3 files to a card and cannot accomplish this /sighs



Unless there are any new potential fixes, I am out of ideas. Has anyone else come up with any few fixes for this?

Otherwise I am just going to have to buy myself a USB card reader but I shouldn't have to do this and I wonder about Apple these days for it seeems they arent as on the ball as they once were!


Im on version 10.7.4


So, one last time, any new fixes out there? 😕

Jan 16, 2014 10:05 AM in response to paulsomething1

I have a new i7 iMac and this is my experience thus far using my Sandisk ImsgeMate All-in-One card reader while trying to read my 8GB Extreme III compact flash card:


The card mounts to the desk top as it should. When I try to download the images to a folder ( as I have a million times previously) it does so very, very slowly then the reader icon self-ejects followed by the following error:


User uploaded file


Then within 30 seconds or so, the reader icon will re-appear. Attempting to download the images ends with the same results.


I have tried using a 4GB card, but that card never even appears on the desktop.


This is EXTREMELY FRUSTRATING and one would think that Apple would drop in with some suggestions. The blame could also fall squarely on Sandisk's lack of driver support. Their Mac download page mentions some issues with Mtn. Lion, but if that is the best they can do then therein lies the problem.


I have no idea what the solution to this is. I wish I did.


Thoughts????

Feb 5, 2014 8:30 PM in response to aledco

I have had a similar experience, thankfully I have found a fix!


Problem: I force ejected my 8GB SanDisk SD card from the card reader slot on my 2010 MacBook Pro, the device drivers on the card have malfunctioned because I did so (as can apparently happen with any flash storage, USBs etc.) and now my computer will not recognise my SD memory card when I insert it. I tried downloading recovery software such as Remo Recover, and PhotoRec, and tried using the Disk Utility repair feature on the MacBook itself (found in system preferences/utilities on the dock, lower right hand side) but to no avail. Disk Utility gave me an error message saying the disk cannot be repaired. Other recovery software still can't get me my pictures, data etc. back.


Solution!: After many google searches, and trowelling through tonnes of forums/threads, I eventually came across a website (recoverfab.com) and as a last ditch effort, I sent my SD card overseas to Deutschland to hopefully try and salvage the last 5 years of my life in photographs. A week later I received some email correspondance saying that ALL of my 'unreadable' images and videos had been recovered!!! I still have to pay the fee, but my images are invaluable, it's just nice to know I can still get them back off of my otherwise stuffed memory card.


Clearly this is only going to help you if the problem is your actual flash memory card, though. At first, I immediately accused the card reader on my MBP of functioning incorrectly, when actually it wasn't my Mac's fault! Don't worry Apple, never doubted you for a second 😉 Lesson learned; don't put too much faith in flash storage! And BACK YOUR SHIZZ UP!!!!


recoverfab.com <----- Actually angels sent from heaven to run a website

Feb 9, 2014 11:27 PM in response to InDaCarl

Before going to a data recovery app, try Disk Drill. I used it on several occasions recovering data for my less computer-literate friends, and it always worked pretty well (80-100% data recovered), especially on memory cards, like SD. Once Disk Drill even recovered photos from a card that was (kind of) formatted by the camera.

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MacBook Pro won't read Sandisk SDHC cards since Lion 10.7.1 update

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