I have connected my HTPC and Roku to TV using yamaha receiver. So there is only one cable from receiver to TV. My issue is that when I turn the pc on first time and receiver and tv on, I can see the pc output. But if I turn off devices and turn back on, pc output is lost and I see a default wallpaper from yamaha receiver. But with Roku, this problem does not occur. I have recently bought this receiver and having this issue since then. With my previous onkyo receiver, and with the same setup, there was no issue. Any suggestion?