IssuesTheTVwon't turnon.Thereisno picture/video.Solutionsand ExplanationsMakesuretheACpowercordissecurelypluggedinto the wall outletandtheTV.Makesurethe wall outletisworking.TrypressingtheC)buttonontheTVtomakesurethe problemisnot theremote. If theTVturnson,refer to "Remotecontroldoesnot work" below.Checkthecableconnections .Removeand reconnectall cablesconnectedto theTVandexternaldevices.Setthevideooutputs of your externaldevices(Cable/SatBox, DVD,Blu-rayetc)tomatchtheTV'sinput connections .Forexample,ifanexternaldevice's output isHDMI, it shouldbeconnected toanHDMIinputontheTV.Makesureyour connecteddevicesarepoweredon.Besuretoselectthe correct inputsource.Rebootthe connecteddevicebyunplugging it,andt henreconnect ingthedevice's power cable.Theremote controldoesnotReplacethe remote control batteries .Makesurethe batteriesareinstalledwork. with theirpoles(+/-)inthe correct direction.Thecable/set topbox remotecontrol doesn't turn theTVonor off or adjust thevolume.Cleanthesensor's transmission windowonthe remote.Trypointingtheremotedirectly at theTVfrom5-6feetaway.ProgramtheCable/Set remote control to operate theTV.Refer to theCable/Set-Top-Boxuser manual for theSAMSUNGTVco de.-ThisTFTLEDPanel usesapanel consisting of sub pixels which require sophisticated technol ogytoproduce.Theremay be,however, a few bright or dark pixels on thescreen.Thesepixelswillhave noimpact on the performance of the product.-TokeepyourTVin optimum condition, upgrade to the latest sof t ware .UsetheUpdate Now or AutoUpdate functions on the TV's menu(ScreenMENU) Support)SoftwareUpdate)UpdateNoworScreenMENU>Support> SoftwareUpdate>Auto Update).