Toshiba 65L7300U User Manual

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Troubleshooting 1 61Picture problemOther problems.If your TV's problem is not addressed in this Troubleshooting chapter orthe recolnlnended solution has not worked, use the Reset Factory Defaultsprocedure, see "Resetting to Factory Defaults" on page 90.TV will not turn on.Check the AC wall outlet by trying another device in the AC wall outlet.Ensure the power cord is plugged in properly, and then press the POWERbutton.Replace the batteries in the remote control, see "Installing batteries" onpage 47.Try the control panel buttons on the TV.PictureproblemsGeneral picture problems.Check the antenna/cable connections, see "Connecting Your TV" on page26.Press the INPUT button on the remote control or on the TV and select avalid video input source, see "Selecting the video input to view" on page71. If you have no picture after selecting a Input source, check thedevice connected to that input for proper operation. For device connectiondetails, see "Connecting Your TV" on page 26.Antenna reception may be poor. Use a highly directional outdoor antenna(if applicable).The station may be having broadcast difficulties. Try another channel.Adjust the picture quality, see "Using the advanced picture settingsfeatures" on page 99.If Edge Enhancer does not achieve a sharper picture, change theSharpness value to increase the sharpness level, see "Edge Enhancer" onpage 99.Video Input Selection problems.If the Input Selection window does not appear when you press the INPUTbutton on the remote control or the TV control panel, press the INPUTbutton a second time. The TV displays the next video input source and theInput Selection screen.Cannot view external signals.If you cannot view signals from external devices connected to VIDEO 1,VIDEO 2, ColorStream HD, HDMI 1, HDMI 2, HDMI 3, HDMI 4 or PC,ensure that the Input Lock is set to Off, see "Locking video inputs" onpage 80.