Solved! LG tv has no remote and its stays in the Digital analog setting also no signal message on screen

[54Yvonne]

It was brought at a hotel resale site and I don't know anything about it.

 

[hang-the-9]

Hotel TVs are sold with custom setups, you need to look up the model you have online and find a manual for it. Without a remote you will need to use the buttons on the TV to change inputs.