The Problem Try this!The settings are lostafter 5 minutes or everytime the TV is turned off.If the Use Mode is set to Store Demo, the TV's audio and video settings areautomatically reset every 5 minutes.Change the Use Mode (Support > Use Mode) to Home Use.There is an intermittentloss of audio or video.Check the cable connections and reconnect them.Loss of audio or video can be caused by using overly rigid or thick cables.Make sure the cables are flexible enough for long term use. If you are mountingthe TV to a wall, we recommend using cables with 90-degree connectors.There are small particleson the TV's bezel. This is part of the product’s design and is not a defect.The PIP menu is notavailable.PIP functionality is only available when you are using an HDMI or Componentsource.A POP (TV’s internalbanner ad) appears onthe screen.Change the Use Mode (Support > Use Mode) to Home Use.The TV is making apopping noise.The expansion and contraction of the TV's outer casing may cause a poppingnoise. This does not indicate a product malfunction. The TV is safe to use.The TV is making ahumming noise.Your TV utilises high-speed switching circuits and high levels of electricalcurrent. Depending on the TV's brightness level, the TV may seem slightlynoisier than a conventional TV.Your TV has undergone strict quality control procedures that meet ourdemanding performance and reliability requirements.Some noise coming from the TV is considered normal and is not an acceptablecause for an exchange or refund.