Doesn't sound like a brick to me. Priiloader can't find the HBC because it's title changed and older versions of Priiloader won't find newer versions of the HBC. As for discs not loading, chances are it's because your softmod is out of date (or a failing laser or other hardware problem). Follow the Softmod ANY Wii guide (link in my sig) starting with the "Softmods with HOMEBREW CHANNEL installed." That will update everything and allow you to play the newer games, assuming hardware isn't the issue (and if you are semi-bricked, this will fix it). As for WiFi not working, what error code does it give you when you try to connect? Possibly a network or a WiFi module problem.