User Activity

Since the complete failue of Wifi transfers we all have to deal with I tried to just connect the camera with a USB. I plug it in and nothing happens. Compter does not see any new device to add. Is there a setting i am missin that need to be click on ...
I was taking some night pics this weekend and was using the "Nightscape" setting to get some photos out the stars and milky way, When i got back home and uploaded the pics, they were all somewhat fuzzy and grainy. the camera was on a tripod and stead...