Ever since I have upgraded my late 2009-iMac to Mac OS X Lion 10.7 I have been experiencing issues regarding my WiFi. I'm actually loosing connectivity, as in AirPort seems to keep "refreshing itself" for no apparent reason, and disconnecting my WiFi intermittently each time. It's almost like my WiFi card can't keep a stable connection to my router anymore. This problem is not occuring on my iPhone, which is also connected to the same home network on the N Router. It's constantly halting downloads halfway through, or near to the end, and they have to be restarted and this is infuriating when the download has taken ages!
Even reaching this page now took several refreshes, as Safari keeps coming up with blank pages every now and then telling me I am not connected to the internet.
Has anybody else had problems with Lion dropping WiFi connection constantly?