Recent content by Nixer

Which chip? The unit is no longer under warranty so Asus can't help unless I pay for it.

Power failure during firmware upgrade

Unfortunately thats not an option.

I'm totally stuck and not sure why I can't recover the router. Anyone with experience in dealing with serial console issue like this?

I am not using the adapter with RPi. I had it connected directly... see the pic attached. I used this this page as reference. https://www.snbforums.com/threads/unbrick-asus-rt-ac68u-router-over-serial-connection-using-a-raspberry-pi.56567/ Because it didn't work on RPi, I got an USB to TTL...

I initially tried with RPi and when that didn't work, I got a USB to serial adapter that I've linked in my original post from Amazon and connected to my pc. I see the same exact behavior in both cases. I left the 3.3v VCC open. Didn't connect any wires to it. Only GND, TX and RX pins are connected.

Also I checked by shorting t and r on the usb to ttl cable and I could see my keyboard entries...so its not the cable.

Yes that's how I connected it. When I connect TtoT and RToR I get no activity in the serial console.

I've only uploaded firmware from asus for this particular model. Never tried any other firmware. Yes, I tried factory reset....and the normal boot log is after a factory reset

3. CFE/WPS mode?? I also tried to clear NVRAM by holding the WPS button and manually turn on the router... I do get CFE prompt at end but again can't use the keyboard to pass commands. log file wps-cfeboot.txt attached. External switch id = 5075 Enable Switch MAC Port Rx/Tx, set PBVLAN to FAN...

I've spent countless hours reading the threads here and other places trying to recover my Asus ROG Rapture GT-AC5300. Router is in boot loop... can't break cfe, I believe that's because my keyboard entries aren't getting passed over serial connection. This is the cable I used to make the...