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

Surprising to me, inserting the card not quite all the way worked. I don't know if this has happened to anyone else, but I've had 4 SD cards read perfectly and then stop working (though other SD cards still are read fine). Mine wasn't related to an update though. EVERY single time, it has been that the card was in my MacBook, and either iPhoto froze or I just forgot to properly eject the card, and after I did that 2 times, it stops being able to read it. I don't know if this will help anyone solve this issue, but that's where my problem occurs.

Thanks everyone for the suggestions.

Supritha: I tried your solution, and it worked. I will say this one time: YOU ARE A GENIUS. No, I'll say it once more: You are a genius. Thank you.

Hi J,

You can try an SMC Reset: http://support.apple.com/kb/HT3964, but if that doesn't help, for now, you might want to just get a USB card reader.

Figured it out. Downloading the new X11. Fingers crossed - hope it helps. 😝

Have you installed the latest xQuartz? If not sounds like the reader might need a clean or replacing.

Its not the LION OS for I have the same problem on Snow leopard

Also, it's possible that the contact points themselves got "stuck down," and using the toothpick dislodged it.

check it anyways. I had an issue of cards with format problems before (one was Canon which can be read, the other was Nikon), but, now both can be read after the toothpick trick.

This worked for me & my mac book pro, Cheerz.

Was very helpful.

aledco wrote:

Hi, thanks for the link. I did search through the forums before posting. My problem is a little different to these though, since it seems to have been caused by the 10.7.1 Lion update.

If I get it solved I will post the solution here.

That would be great. Thanks a.

Yet another update: I got the SDHC card to be recognized ONCE today. It showed-up on the desktop and I could access it. Then I ejected it, put it back in and it wasn't able to be recognized.

Note that two of my 32GB SDHC cards were bootable because I had Magic Lantern installed. But the 16GB SDHC card was not bootable. Also I low-level formatted the 32GB SDHC cards in the camera and they still would not read-up in the SD card slot of the MacBook Pro. Restarting the computer did not help.

Same problem here. I upgraded my mid-2010 MacBook Pro around Thanksgiving to the Lion OS. Tried to download SD cards from two different cameras -- one with 8GB and the other with 4GB. Neither was recognized by the laptop. It's nice to know that a card reader will work, but this is still a big pain compared with simply inserting the card into the slot. Apple needs to fix this.

I am using MacBook Pro as well and Lion but in my Utilities folder, I dont have a file named XQuartz? Why are some seeing this and yet I am not?

Yet this seems to be the fix for many.....all I have in Utilities would be an x11.app + XSKey Updater.app but certaiy no XQuartz. How can some of us have it and others dont?

I have a MBP from 2010.

Any ideas as to why I wouldnt have this XQuartz.app ????

TIA

Okkkkk so my understanding from Suprithas original post, which many afterward said had worked for them, was that it needed to be updated, at which point the cards would'l work??

"I had the same problem.. My MBP did not recognise my SDHC card after installing lion. It worked after installing an update. Goto Applications --> Utilities --> XQuartz and mac automatically asks for an update installation. Download and install the update. Your memory card slot should work fine now."

When I clicked on the X11, it didnt ask for an update. However, there was a Lion update yesterday which i had put off and did afterwards hoping this issue might be addressed, but it wasnt, as i still cannot read the card.

Therefore, how am I to update X11?

TIA

I have a macbook that i got back in 2009 and my SD card has always worked up until yesterday i tired putting it in a nothing happens i tired it today again with a different card and nothing. Last time i checked it was 2/3 for a photography project and it worked but i go to put it in today to get my pictures that are due on friday and nothing is happening does anyone have anything helpful?