E-Machines eMachines Desktop PC "hdmi error message" Questions

...error code 0122 I, unplug the HDMI cable from my computer, remove the BluRay disk from the computer's BluRay player, reboot, Insert HDMI cable, turn on my television display as second monitor, ...

format refering to a file you are trying to play? If so, convert the file. It may be a resolution issue on the Computer? How are you connecting? HDMI? Do you see any thing other than the error message

...HDMI cable and it began to start Windows, but then gave me a message asking if I wanted to load a system restore point. Unfortunately, I didn't have my mouse and keyboard connected when that ...

error message 1:Auto Detect (Analog Input) There is a lack of communication between the monitor and video card. Try reseating if add-on video card. Make sure monitor is set to correct input, like VGA