Believe it or not, if I play Metalcore music on it for 1-2 hours. It remains good for the rest of the day. Never thought listening to metal music will fix these problems of my life too...
No, the issue still persists...I am finding it to be around the bass knob. Even if the sub wakes up, you can't be sure that all the frequencies of Bass will be sound. I found this problem when I ran an album in youtube called Bass Test - Subwoofer Test where it has Delta Tones at multiple freq...
I am facing similar issue, for a long time now. On occasions it works specially if i am playing the music loud the Sub Woofer activates otherwise not so much....
What other steps help? Disconnecting and reconnecting the main VGA Cable or anyother cable for that matter.
But again the subwoofer...