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Level 1

7 points

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

127 replies

MrElvey

Level 1

56 points

Nov 22, 2015 2:21 PM in response to aledco

Solved: FYI: Interesting experience with a MacBook Pro (13-inch, Mid 2012) - MD101LL/A - MacBookPro9,2, with Yosemite:

Bought a 16GB SanDisk microSDHC card directly from Amazon.com that wouldn't be recognized in the MBP, though

an 8GB SanDisk microSDHC card I had does work. (w/the adapter which came with the new SanDisk card).

If I put the new SanDisk Ultra 16GB microSDHC card in the adapter, I can read it in a PC. And if I put it straight into an Android phone, or Rasbperry Pi I can read it just fine too.

What solved it was was to clear out the /Library/Launch* directories and reboot. Not sure which one of those things was the needed fix.

Dec 11, 2015 7:37 AM in response to Supritha

I don't even have XQuartz on my macbook air - guessing i should install this?

Rahkitty

Level 1

0 points

Jan 7, 2016 6:04 PM in response to Guido Paap

THIS! I literally laughed at how stupidly simple it was. Totally fixed my problem. Thank you!

Jan 30, 2016 10:55 PM in response to Guido Paap

alcohol works!

n0veca

Level 1

4 points

Jun 5, 2016 1:43 PM in response to uhuman

A few quick squirts of compressed air cleared it right up. The contact points must've been gummed up since that port was open since I bought my Macbook Pro in 2011. It works like a charm now.

YaadGeek

Level 1

4 points

Oct 17, 2016 1:40 PM in response to Supritha

Thanks for the question and the answer - still relevant and still works 🙂

Apr 15, 2017 8:20 PM in response to mvaghela

The puff of air TOTALLY worked for me. Who knew? (well, you did. 😁)

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