I have the power cord dvd cords and cable cords plugged in and there is no picture the tv wont turn on it should turn on but it wont it wont even show that its off

<p>A Polaroid LCD TV delivers its picture via DVD player or cable connection to your home or office. After setting up your device and using it, you might experience technical difficulties with power loss and picture quality. Navigating through a few steps of self-maintenance will have your Polaroid TV running smoothly again in little time. You can examine your TV's power cord for damage, rewire a DVD player connection, and adjust your Polaroid's backlight.<br /> Difficulty:Moderate <span>Instructions</span> <ol> <li> <ul> <li> <span></span> Turn your Polaroid around so that the back is facing you, as a first step in correcting a power loss issue. Examine the length of the power cord from the back panel of the Polaroid to the wall outlet for damage, such as tears or rips. Replace the cord, if you see damage. Unplug the TV from the wall outlet and inspect the metal receptors (prongs) for dirt. If the prongs are dirty, clean them with a dry cleaning cloth. Plug a separate electrical device into the outlet and turn it on to confirm that the outlet is performing correctly. Plug the Polaroid TV back into the outlet, and try again.<br /> </li> <li> <span></span> Twist the Polaroid TV's back panel towards you so that the connected cables and jacks are easily accessible to you. If you're experiencing problems getting a picture from your DVD player, inspect the connection of the audio/video cables to your "Composite In" jacks. There are three cables in a standard audio/video setup: a yellow cable, a red cable, and a white cable. Unplug all three cables from their jacks to reset the connection. Insert the yellow-tipped cable into the "Video" port, which is yellow-colored to make matching the cables easier. Insert the white-tipped cable into the "L" (left audio) port and the red-tipped cable into the "r" (right audio) port. Perform the same steps on the audio/video cable out ports of the DVD player, and try again.<br /> </li> <li> <span></span> Raise the TV's backlight level, if you're having trouble seeing the picture. Push the "Menu" button (located on your remote control), and the TV setup menu will appear. Use the navigation buttons located on your remote control to scroll to "Image," and push "Ok" -- located within the navigational buttons on your remote control. A list of options will be displayed, such as "Contrast," "Hue," and "Saturation." Choose "Brightness" from the options. Use the four-way navigation buttons to raise the brightness (make your screen brighter and more illuminated) or lower the brightness (make your screen darker).<br /> </li></ul> </li></ol>