When using an LCD television you may notice occasionally that the picture jitters, or jumps down the screen. This makes watching the set rather disorienting and may even cause headaches. Fortunately, there are a few troubleshooting steps you can take to correct the jittery picture issue before calling on a repair technician.
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Check the video inputs on the back of the LCD TV. If the input cables are not securely connected to the television, you will receive a weak signal, which often causes the picture to jump.
Press the "Menu" button on the TV's remote control, choose "Picture," select the refresh rate and set it to a lower level. The refresh rate controls the speed at which the TV's image resets itself. If the refresh rate is set at a level the television is unable to produce accurately, it creates a jittery image.
Power down the TV, disconnect it from the electrical socket and leave it off for a few minutes. This performs a hard reset of the TV, which often corrects playback issues on the system.
Change to a different station. If the image is jittery only on a specific station, the problem is with the broadcast, not the TV.
Update the firmware. If the firmware is out-of-date the LCD TV will not function properly. On your computer, navigate to the manufacturer's website, select "Support" and choose the model of TV you are using. Download the firmware update, save it to a USB flash drive, and plug the drive into a USB port on the TV. The set automatically loads the update.
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