My Roamio Pro has started having issues locking up (I think). For the second time in 2 weeks, I've turned the TV on to find a screen with nothing but static (see the attached photo). It's not a signal issue, as the Tivo won't respond to any commands from the remote. Through cable swapping, etc., I've verified it is the Tivo and no other components. If I unplug / replug the power it boots up and works fine. I think it's locked up because my Spectrum tuning adapter usually flashes a red led when the Tivo sends it a signal. When the problem occurs, that led doesn't flash, which leads me to believe that the Tivo is hard locked. Has anyone seen this before?