2
votes
4answers
5k views

Can't format SD Card after OS X Lion update to 10.7.4

Today I tried to format my SD cards with no success. The only thing different that I did was updating to 10.7.4 this weekend. What can I do to re-enable this function? The can't format part means I ...
3
votes
4answers
11k views

SD card is read-only, all Disk Utility options grayed out

I'm using Lion (10.7.3) on a mid-2010 MacBook Pro. I just got a 32GB SD card and formatted it with my camera. I'd like to transfer some files onto it from my computer, but the card seems to be ...