"HDMI Link Integrity Check" Error
Nothing serious, but I have my remote set up to turn on my TV and wireless receiver with the one-press button method. Occasionally, I get a message such as "HDMI Link Integrity Check Error / Unable to display picture" on the screen, which I can clear by switching the TV input source to another input and back.
But what I find interesting is that the receiver is apparently displaying a message on my screen telling me that it is unable to display anything on the screen! How ridiculous is that?