wifi drops

My RT-AX58U has been plugging along just fine until recently, now running 388.2_2. At some point in the past month (tricky to tell as my main ISP changed, I was out of town, and I tweaked the failover script) WiFi devices regularly disconnect - albeit very briefly. None of the changes I've...

Last night my router (RT AX3000) suddenly disconnected. I restarted the router but the signal was not showing. I did hard reset and update the firmware from merlin to asus latest firmware but the signal did not show. I update again to merlin but the signal did not show. My router has 2.4 and 5G...