I'm also on a WPA2 network, Dell inspiron 1720 with an intel wireless 4965. The problem seems to occur most often when there is a lot of wireless activity, but it is too sporadic to pin down exactly.
I'm also on a WPA2 network, Dell inspiron 1720 with an intel wireless 4965. The problem seems to occur most often when there is a lot of wireless activity, but it is too sporadic to pin down exactly.