A:AnswerYes. That model has HDMI (ARC) and digital optical audio outputs. You can also connect it wirelessly via Bluetooth since that model has Bluetooth 5.0 capability.
A:AnswerYou may need to simply unplug all cords... and start again with set up. Also, try pushing little button just below the sound effect button (on LG remote) and select "WF" and make sure its on at least at 4 or 5... that should work..