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I'm having difficulty setting up the Samsung Speaker bar to a Samsung UN40H5003AF TV. I go through the setup and change the TV setting to External speakers. The internal TV speakers turn off and the sound comes only from the speaker bar. All is good. When I power off the TV and then power it on again later, the sound is coming from both the internal and external speakers, but only the external speakers can be controlled. The internal speakers remain at a constant sound level and cannot be controlled or muted. If I go into the TV settings, toggle from external to internal back to external speakers, the internal speakers shut off. I contacted Samsung and was told that every time I power off the TV, I need to go through the setup process. This doesn't sound right because who would want a product they need to setup every time they power it off. Anyone else encounter this problem? Any suggestions would be appreciated.