Originally Posted by MarkyM
FYI...I did all of those resets with no joy.
It seems that the network settings all get set to defaults with DHCP off, causing the problem. When you try to change them, all appears well until you click "Save", which does nothing and you're right back where you started with no network settings.
What worked for me was accessing the network setup through the Support Assistant. I did this after restoring the factory firmware...but perhaps restoring first is not necessary.
Someone needs to try the Setup Assistant right after the pushed update and see if it works.
Wow. I’m relieved that I found this thread.
Add me to the list of people who lost all networking for my x4400 after I initiated the 2020/06/25 firmware update on that very same day. It’s helpful to know that Denon’s firmware is indeed responsible for this networking failure.
These three recovery attempts all failed in restoring my network capability:
1) a restart
2) a soft reset
3) a network card reset (spinning wheel; nothing happened)
Before I try to exercise the nuclear option and perform a microprocessor reset, I followed MarkyM’s request and tried to re-establish my network access via the Network Setup option in the Setup Assistant. No joy. (I couldn’t even try to re-establish my wired connection because the x4400 would not let me get past the “connect an ethernet cable” step, even after unplugging and plugging the cable. The wireless connection attempt failed with a “Network not found message.”)
Although I have a config file on a a USB stick, earlier comments suggest that that file might be useless after the nuclear option. I’ve taken pictures of certain configuration screens just in case.
Anyway, fingers crossed going forward.
By the way, here’s my firmware info presumably with the faulty firmware installed:
-DTS Version: 220.127.116.11