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?

I've got the same problem. I've got a late 2010 MacBook Pro unibody running Mac OS 10.7.1 on it. I installed the 10.7.1 updated most likely on 8/17/11 the day after it was released by Apple. Since then I was able to read SDHC cards as I shot a number of photos and videos to my cards and they worked fine.
I'm not sure what has changed since then, it wasn't as simple as the 10.7.1 update then it didn't work. This is the problem I'm having below, just started to experience this on 9/2/11. I tested with two 32GB SDHC cards, one 16GB SDHC card and one 2GB SD card. All cards were manufactured by Transcend.
FAIL:
* SDHC cards (16GB and 32GB) will not mount and isn't recognized by the MBP via the built-in SD card slot
* SDHC cards (16GB and 32GB) will not mount and isn't recognized by the MBP via SanDisk 2.0 card reader connected via a short USB cable.
* If I put any SDHC card into a SanDisk USB 2.0 reader that is connected to my USB hub (I gave it a try in case there was a power problem with the MBP USB system) the card is not recognized either.
* Even Disk Utility will not see the card when inserted via built-in card slot or a reader.
SUCCESS:
* SD cards (2GB) mount fine when inserted either in the built-in SD card slot or via my SanDisk USB 2.0 reader.
* If I leave the SDHC card in my camera (Canon 60D) and connect the camera to my MBP via USB I can import the images via Aperture.
* If I put the SDHC card into the memory card slot reader of my HP inkjet printer (it has multiple card slots for different types) the card will mount normally like it is supposed to via the two failed methods above.
I'm also sending this info to Apple but wanted to post here since there are three inconvenient work-arounds.

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