Not sure what\'s happening on your side, but ensure you do the following exactly as posted, see if it\'s any help
Shut down all computers in the household
Pull the power on both the modem and router
Wait a few minutes:
Plug ONLY back in the power to Modem...
Let the modem completely power up and set.. Give it about a minute
Next plug back in the Router... Wait for it to power up and set.. Give it another minute
Then power up only the desktop computer
Any luck connecting?