There is somethingwrong with the TV. Try this!Problems Powering OnWhen the TV is turned on, the remote control receiver flashes 5 times before thescreen turns on.If you find that you are having problems powering on your Samsung television,there are a number of things to check before calling the service department. If thepower cord is connected properly and the remote control is operating normally, theproblem might be with the antenna cable connection or the cable/satellite box notbeing turned on. Check the antenna connection or turn on the cable/satellite box.Unable to find aChannel Run Setup (System > Setup) or Auto Program (Broadcasting > Auto Program).The TV image does notlook as good as it didin the store.Store displays are all tuned to digital, HD (high definition) channels.If you have an analog cable/set top box, upgrade to a digital set top box. UseHDMI or Component cables to deliver HD (high definition) picture quality.Many HD channels are upscaled from SD (Standard Definition) content. Look for achannel that is broadcasting true HD content.Cable/Satellite Subscribers: Try HD channels from the channel lineup.Air/Cable Antenna Connection: Try HD channels after performing the AutoProgram operation.Adjust the cable/satellite box's video output resolution to 1080i or 720p.The picture is distorted.The compression of video content may cause picture distortions, especially in fastmoving pictures such as sports and action movies.A weak or bad quality signal can cause picture distortions. This is not an issuewith the TV.Mobile phones used close to the TV (within 1m) may cause noise in analog anddigital channels.The color is wrong ormissing.If you’re using a Component connection, make sure that the component cables areconnected to the correct jacks. Incorrect or loose connections may cause colorproblems or a blank screen.The color is poor orthe picture is not brightenough.Navigate to Picture and adjust Picture Mode, Brightness, Sharpness, Color, andother picture adjustment settings.See if Energy Saving (System > Eco Solution > Energy Saving) has been enabled.Try resetting the picture. (Picture > Reset Picture)There is a dotted lineon the edge of thescreen.If Picture Size is set to Screen Fit, change it to 16:9.Change the cable/satellite box resolution.The picture is blackand white.If you are using AV composite input, connect the video cable (yellow) to the TV'sgreen component jack.The color is wrong ormissing.If you are using a Component connection, make sure that the component cablesare connected to the correct jacks. Incorrect or loose connections may causecolor problems or a blank screen.