155Sound issueSound from the monitor does not change after Sound Modeis changed.Audio settings for main speakers are separate from the internal speakers on the product.Audio settings on a source device do not affect the internal speaker settings on the product.Remote control issueThe remote control does not work. Make sure that the batteries are correctly in place (+/-).Check if the batteries are flat.Check for power failure.Make sure that the power cord is connected.Check for any special lighting or neon signs switched on in the vicinity.Source device issueA beeping sound is heard when my PC is booting. If a beeping sound is heard when your PC is booting, have your PC serviced.Touch function issuesThe touch function does not work. Make sure not to use an object other than your finger when tapping the screen.Make sure the screen or your finger is not wet.Make sure you are not wearing a glove and your finger is not dirty.The touch function is not working properly in a programme. If a Windows or Mac programme not provided with Samsung monitors or a programme installed onyour PC is not working properly, contact the original software vendor.A programme is not working properly.
