HopTzop wrote Here I see a big difference, distance is around ~7m, but there are 2 walls between router and that specific place. You should try without obstacle, may be the C20i is not very good...

After hard reset and without wireless off, you should test on another PC with Win7 or XP (friend, family, etc.)...

I'm surprised to don't see the 2 wifi leds blinking. Probably this router is defective...

mlhifi wrote Well, it seems this is going nowhere! I opened a ticket with TP-LINK last week and they've not come back to me! That's strange. Generally, there is always someone able to answer you...

Hi, almanos wrote I also check the signal with my laptop using a dualband usb stick of Cisco and i took the same result. I suggest you to use Acrylic Wifi to analyse the signal. Without obstacle from...

Hi, I suggest you to reset the router with the back button and to plug it alone to the PC in order to set it manually (without CD) before to connect it to your modem. Do you have a modem or a ISP...