So I have 2 of the G model Airport Express G (Model A1084 firmware v6.3) units that I have been using to stream iTunes music in my house. This has worked fine for more than a year, ( I can't remember the last time I had to muck with them ). In the process of changing internet providers I upgraded my primary Router (Linksys WRT1900 which shouldn't matter) but in order to reconfigure the AEs to the new SSID I had changed to I did a hard reset and plugged in an Ethernet cable and ran the Mac Airport Utility (v5.6.1). To make a long story short I am unable to join any existing network even one created by the other 1st gen AE even without security. When I try this it saves the changes reboots the AE and then fails to find the AE, even though I an still plugged in to it with an Ethernet cable, in the config utility leaving me to do another hard reset so that I can try again. I know these are old units but they used to work fine, and I was wondering if anyone is able to join any network with a Model A1084 G only AE using current tools and firmware.