@Chris-Cross Hi, you may not directly connect them with a fiber,you need a modem which supports fiber income there are SFP+ modules in sale but might be compatibility issues. It is better to buy a...

@Orange-d59cd_5G Hi,you forget the web interface password or wifi password? you can reset it to set a new password for web interface to find your wifi password,you can log in web interface → Basic →...

@martac734 Hi, make sure you put in a correct password,the password is the same as your main router if you forget the password,you can log in the router web UI to check or change

@Julie_brizzy Hi,could you provide more info to locate the issue can other devices connect to NBN normally ? such as your phone can your extender detect NBN wifi when configure you can factory reset...

@RE650_Solutions Hi,can your other device such as your phone connect 5G wifi to your HG8245W5 normally check your settings in HG8245W5 and make sure do not hide SSID and do not enable Band Steering...

@Drranda Hi,could you provide more info to locate the issue there are some method for you to have a try: check the led status according to manual can you connect to your main router and get internet...