Check: Power is on
Verify lights and other appliances are working. If not working you may be experiencing a power interruption to your home.
If power is on look for loose or disconnected power cords. Make sure they are plugged in all the way.
If power outlet is controlled by a wall switch, make sure the switch is in the ON position.
Check: Remote control batteries are good
Manually turn on the TV or cable box by pressing the power button on the front panel. Next use the remote control to turn off the TV or cable box. If device does not turn off, then change the batteries in the remote control.
Check: VCR/DVD turned OFF
Turn VCR OFF- With the TV ON; turn the VCR OFF and DVD player OFF, if installed. If picture did not return, go to next step.
TV on Channel 3- With the TV ON and the VCR ON, use channel button on front of TV to select channel 3; most commonly used channel but you may need to try channel 2, then channel 4.
VCR on Channel 3- With the TV ON and the VCR ON, use channel button on front of VCR to select Channel 3; most commonly used channel but you may need to try Channel 2, then Channel 4.
Turn VCR OFF
Check: TV INPUT is correct
If TV was recently used to play video games, VCR tapes, DVD movies or home camera movies etc. you may need to change the INPUT back to the TV.
Press the INPUT button (may be labeled TV/VIDEO SOURCE or Antenna) on the TV or use the remote control that came with the TV.
Menu will display on TV screen. Select the correct option for your TV if you know it. Options may be labeled Cable TV, CATV, CAB, Input 1, Video 1, Antenna 1, AV1 or some other name. (Check your TV user manual). If you don't know which option to use, select each option one at a time by pressing the up or down arrow on TV front panel or use the TV remote control.
Check: Loose connections
Tighten loose coax cable connectors (the ones with threads) they provide both picture and sound.
If used, secure loose video cable (typically yellow colored) it provides picture.
If used, secure HDTV cable (typically red, blue and green connectors) they provide HDTV picture.
If used, secure HDMI digital cables they provide HDTV picture and sound.
If you recently connected or added TV or audio equipment, make sure the color of the connectors match the color of the plug-in ports. Additionally, ensure that the cable is connected from the "out" port on the first piece of equipment to the "in" port on the next piece of equipment. Continue with the "out" and "in" pattern until you reach your TV.