Have TV Questions? Ask a TV Technician
Hello and thanks for your question. I look forward to assisting you today with the best answer possible.
Please click this link to acess the user guide of your TV: http://cdn.vizio.com/documents/m65c1/um-m65c1.pdf
What is the make and model of your DVD player you are trying to connect with your TV?
First you need to connect your DVD player to your TV via cables(HDMI or Composite)
Then from your TV remote select input button and then choose the input source HDMI or Composite to play the DVD player.