Zenith C27A24T 27" TV "stuck auto demo" Questions

my jvc tv screen is stuck on the auto demo screen Contact JVC as usually a combination of front buttons pressed and held is needed to get out of the demo mode---channel up and vol up at same time etc.

...stuck in demo mode, ie the sign you have the pleasure of watching a panasonic t.v sign comes up every ten minutes. Can anyone remember back that far on how to get out of this on this model. we do not ...

...stuck under the plastic housing just enough to create contact, but hardly enough to notice at first glance. look at right hand corner of telivision it could be on auto demo if it says auto go to set ...