In range extender mode, you should connect to the network with the same name as your root wireless router. Sometimes, you may place TL-WA7300RE in a place where wifi signal is poor and try again.

When web interface stops, how about status of all indicators? You PC is plugged into wired or wirelessly? Any difference?

wineman wrote Problem is I cannot log in to router as admin. I try to log in to 192.168.1.1 to make changes to routers settings - but I can not do that. g.Kari Do you mean you see the window asking...

Can you access to 192.168.0.1 wirelessly? Can you access to 74.125.71.105? How about IP address, default gateway, DNS of wireless network connection?

You were talking about private IP and public IP. Got it now. Thank you! ^_^ It won't work with those solutions in the FAQ? I thought it was an ISP issue. When the modem is directly plugged into your...

Contact TP-LINK Technical Support to get a beta firmware. It may be help in your case. I got one from a technician, upgraded it and it runs properly now.