Unfortunately I don't have tools like that and I don't have other AC adapters that fall within the specifications of the one that came with the router :/
I tried flashing an old version of the firmware on the router (3.0.0.4_376_1663) and after that it manages to boot up! The boot-up takes unusually long though and after an arbitrary amount of time it freezes up just like before (unresponsive but with all lights properly on). I did manage to go...
mstombs you're right.. the log is weird. Taking your hint about the recovery mode I have managed to boot the router into recovery mode where the power light blinks slowly. If I set a manual IP on my computer to 192.168.1.x I do get a ping response from it on 192.168.1.1. I however don't have...
ahh sorry.. It was probably version 3.0.0.4.378.4585 like you say. I'll fix this in the original post. The thing is I'm not sure which firmware version is on the router right now.
I bought the RT-AC68U last December and have been very happy with its performance up until about two weeks ago. The wifi (I only use 5Ghz) stopped working on my devices even though all the lights in use on the router were still on - including the 5Ghz light. I restarted the router and it worked...