So I have my SD card in the Surface and go to restart the Surface. I noticed that when I restart my surface, the SD card no longer appears under "Computer". I have to take it out and put it back in and only then will the Surface see the SD card. Is this the same for you, or does your Surface still see your SD card even after a restart? I am beginning to think I have a fault SD card drive because it also sometimes takes 5-6 attempts for the Surface to see the SD card when I have to re-insert it. It will make a sound, and I get a notification, but upon the click, it then looses the connection and I need to retry..