Suddenly No 5.1 Surround Sound Output
I have been using my 3920x for months, and the sound has been great. Suddenly, roughly two weeks ago, the only audio it will output is stereo. I no longer get five-channel sound from any app. The sound has been fine for months. I don't know what happened.
My Roku box connects directly to my receiver via HDMI. I can see on the receiver that it is only receiving a stereo signal from the Roku.
• I can't think of anything that I have changed on my end.
• It does not appear to be related to the 12.5 update. I'm virtually positive that the problem started before the update was installed on 10/18, but I could be wrong.
• I have other devices that connect to the same receiver and are having no problems.
• I can unplug the HDMI cable from a working component and plug it into the Roku (so that the Roku is now using its HDMI cable and receiver input), but the receiver still only detects a stereo signal.
• I have searched extensively and found a few solutions, but none of them fixed my issue. I have made sure that the Volume leveling setting is set to Off.
• I have spent over an hour changing every setting I can find in the Audio menus of the Roku box, but nothing makes a difference. Everything was set to Auto as it should have been, but I tried every individual setting just to see if anything made a difference.
• I unplugged the Roku and left it unplugged all night. When I plugged it back in today, the problem remained.