RT-AC66U reboots during system recovery... then keeps rebooting every 29 seconds

RT-AC66U reboots during system recovery... then keeps rebooting every 20 seconds

Hi all, please help.

My RT-AC66U reboots during system recovery... then keeps rebooting every 20 seconds.

I am getting crazy, I already tried:

0. Setup a static IP 192.168.1.10 for my PC LAN Card
1. Reset NVRAM defaults holding down the WPS button
2. Enter into recovery mode holding down the RESET button
3. Flash firmware using dif methods

3.1 MiniWeb: It flashes but keeps AC66U in a...

RT-AC66U reboots during system recovery... then keeps rebooting every 29 seconds