Vizio TV 2021 Series
Step-by-Step Instructions for Best Experience
(Reference Model: M-Series Quantum 50")
Select the User Interface below that matches your TV:
Refresh the soundbar to re-establish HDMI connection with TV after scheduled auto-updates.
Unplug the AC power cord of soundbar from the wall outlet
Wait for 2 mins to fully discharge the soundbar
Plug the AC power cord back into the wall outlet
Connect TV's HDMI ARC to soundbar HDMI 1 ARC with a HDMI-certified High-Speed 2.0 cable (18Gbps) for high quality video and audio. Recommended HDMI Cable >
If your TV has been connected to a sound system previously, perform full reset on your TV to clear the cache >
1. HDMI CEC SETTINGS
Click on the arrow button at the sides of the image to go forward/backward for settings. (Click on image to enlarge)
System > CEC
System > CEC > Enabled
System > CEC > Device Discovery
1. Settings > System
Power cycling can solve a lot of odd problems with Vizio TVs.
First disconnect the TV’s power cord from the power outlet and leave it unplugged for an hour.
Then press and hold the power button on the TV or remote for 10 seconds to drain out remaining power. Plug TV back into power outlet and power it back on.
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