Please follow the instruction to change the settings...
STEP 1: Press the SOURCE button on the TV Remote to select an appropriate SOURCE/INPUT
TV will display the following INPUTS...
What Source Input do I Select?
Antenna or a Cable Box connected to the TV with a COAXIAL, Select the Source Input to TV
Cable Box or DVD Player or Gaming Device connected to the TV with a RED WHITE YELLOW cord, Select the Source Input to AV
Cable Box or DVD Player or Gaming Device connected to the TV with a Component Cord (multi-colored cord with 5 pins), Select the Source to COMPONENT
Cable Box or DVD Player or Gaming Device or Laptop connected to the TV with a HDMI cord, Select the Source Input to HDMI1, HDMI2, HDMI3 respectively