Since upgrading to Lion, I have noticed that when I boot up sometimes the finder menu bar at the top of the screen does not have all the icons on the right side and I do not have any network access. I get the search icon and when I move the mouse over it, the mouse pointer changes to the spinning icon. I also get my Dropbox icon but that does not seem to have a problem. If I go to my System Preferences and go into Networks the window hangs and nothing responds within it. Any advice? I have a Macbook from late last year, installed Parallels, Drop Box, Chrome, OOVOO and Pixelmator. I have the latest patches applied for Dropbox and Parallels. I'm away from home at the moment connecting in on a wifi hotspot, but I couldn't get past this problem (normally a reboot will work) and I started the Mac holding the Shift key which has let me get into networking. Any help or advice is greatly appreciated. I'm a relatively new Mac user but not a PC novice.