@Overlord You can also check this thread and try its resolution action if the issue persists.

@Overlord That's interesting. You recently have upgraded the device FW, right ? Do you remember if that option was OK before ? You may hard reset the device and reconfigure from scratch to see if...

@AkashPaul According to the user guide: That means the router does not detect the internet connection that you already have for some reason. You may try to set DNS servers manually and see if that's...

@AkashPaul You have internet access, right ? Where do you see the red light in question ?

@Philbert This is from AX20 v1 (EU):

@Overlord Can you post your 5GHz wireless settings - just hide your SSID/password when posting the screenshot.