Screen goes black when changing channel
I have an odd issue. Often when I change the channel, particularly when I use the previous channel flashback, the screen goes black. There is still audio and the banner, channel guide etc still appear on screen and function normally. If I do nothing the sreen will remain black. This is not a few seconds like it normally does when I change channels. It will remain black, I have left it for several minutes to see if it would eventually kick in and it does not. If I change the channel or flashback and then go back to the channel the picture comes on normally.
I currently have an ARRIS DVR dcx3600-m but this issue occured with my previous box as well. I thought it was probably a box issue so when I switched boxes I expected it to go away but it continued.
This is more of an annoyance than a problem but I was wondering if anyone else has experienced it and if there is a solution other than "try a ifferent box".