I bought TP Wireless adapter about a year ago and it has been acting very funny - not connecting to some routers. My patience ran over when it starte to not connect to xfinitywifi. Onmy warranty page,

I have the following setup: Dell 2350 router (yes, very old router but works, ;) ) is serving my wifi needs. it serves WPA-PSK AES/TKIP security connection TL-WN881ND is installed on my pc and has bee