All of a sudden the router only showed 2 leds on, both are the wifi leds. Tried rebooting but no go. I am trying to do a recovery by tftp but after passing around 9mb (firmware is about 15mb) it times

Hi, I Have a Archer C7 router, since 1 year ago.Today my Router cant finish the power boot process. The power led light on ok, the 2 wifi leds light on ok, but the Intenet let or Network led cant ligh