I was having the same problem. It didn't recognize my SD card at all. Now these steps make no sense. This shouldn't have worked. But now it sees the card, so what can I say...
Powered off phone
Removed SD card
Reinserted SD card
Plugged phone into laptop and turned back on
Came here and read pool-shark's post
Unplugged from laptop
Can suddenly see SD card
Now, this is nuts because I was playing around with this casually last night far, far from a laptop or even an electrical plug and no matter what I did the phone would not see the card. Still have no clue what in the above steps worked, but for some reason it's OK now. Sorry I can't be more helpful. Good luck!
Alrighty. New to the board so please bear with me.
I am running into this same issue as everyone else: card reads as unmounted, won't mount, won't recognize the card is there, but the card is known working (IE can be read by my PC and other devices) this started after I shut the phone down and popped out the stock 8gb card for a new 16 gb. (neither will register now on the phone)
I tried factory resetting, soft boots, and hard boots, reinstalled the drivers, turning off no-lock, and the above quoted instructions, but nothing seems to be working. I even formatted the card to FAT32 on my PC and put it back in.
I have tried the above trick on my windows7 32 bit and 64 bit machines (both ultimate) in several different USB modes (PC sync, charge only, mass storage, etc)
Phone info: Droid 2 Verizon A955
Ver 2.3.20.a955.Verizon.en.us (From factory reset)
kernel 2.6.32.9.g462500f
build VZW
Any help would be appreciated, as I want to turn this phone into a palm-top, iPod-analogue, but can't flash anything onto it without the flash card working (and have a lot more than a couple gigs of media I want on it too) :banghead: