From TV settings probably, if you cant navigate with universal remote try program it for your tv http://www.thompsontv.com/rcarc.html
if the cause is none of the settings, then some electronic component is probably broken and needs replacement.
Some thing may have gone wrong with the settings, when it was moved. Reseting to factory defaults should fix the settings.
try these http://www.ehow.com/how_5192414_reset-rca-tv.html
Navigating through menus should be possible with keys that are in TV. What manufacturers tv is it? Try to google how to reset with code like this http://www.kb.sony.com/selfservice/viewContent.do?externalId=C89410&mdl=null different manufacturers probably has different codes.