I've been having problems as well. A while ago, my N900 stopped accepting memory cards. I've tried rebooting, I've tried mounting in the console, I've tried getting a list of partition with ... It's like it doesn't exist. Now, I've dropped the phone a couple of times, but I'm hoping it's a software problem. Maemo 5 ver. 20.2010.36-2 Anyone had this problem? Is it hardware? I'm going to try re-flashing if nothing else works. Please, let it be a simple enough thing!