"HDMI connection not permitted." The setup is not the easiest to debug. It is:. Basically, HDMI from TiVo to TV and Power cable directly to the wall. Thank You. Click to expand. Thanks Sarah! I did try directly connecting a 28" Acer HDMI monitor, with no luck. I will pull the 50" Toshiba TV off the wall and reply back with the results.. Every now and then, and with nothing caused by any action taken, when turning on the TV, the black screen with the HDMI not permitted message appears. Why would this be happening? I've swaped the HDMI cable but no change. The way to correct varies, from turning the TV off and on, unplugging the TiVo from the TV, or some times, restarting the.
So TV connected to Tivo works fine. With TV connected to receiver and receiver connected to Tivo it doesn't work at all and gives that HDMI connection not permitted message. DVD works fine. Tried different HDMI cables and no resolution. What could it be?. Customer: Television connected to Tivo is displaying message saying "HDMI connection not permitted" and showing that TV is not HDCP enabled. Yet this is the exact same setup we have used for several years with no problems. Technician's Assistant: Are there any HDMI cables or A/V jacks (red, yellow, and white cables) plugged into your TV? Customer: Yes - tried a brand new HDMI cable, to no avail.