How do I reset my Vizio sound bar Bluetooth?
Christopher Pierce
Published Mar 29, 2026
How do I reset my Vizio sound bar Bluetooth?
Reset the Sound Bar to the factory default settings. To perform a Factory Reset, Press and Hold the Bluetooth( ) and Volume Down (—) buttons for 5 seconds. Note: This will erase all settings and preferences that you have set.
How do you pair a Vizio sound bar to a subwoofer?
Here’s how to pair a VIZIO soundbar to your subwoofer: First, plug in and turn on the subwoofer’s power switch Then, hold the ‘Pair’ button on the rear of the subwoofer for 3-5 seconds until the red light begins blinking. Next, hold the ‘Pair’ button (power button) down on the Soundbar for 5-10 seconds.
Why is my Vizio sound bar not turning on?
If the power cord is connected to a power strip or surge protector please verify that the surge protector/power strip is turned on. If the device still isn’t powering on, try plugging another device into the outlet to make sure it’s getting power.
What is the sound pressure of Vizio s3821w-c0?
* S3821w-C0 is rated at 100 dB. Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total Harmonic Distortion calculated as electrical measurement of amplifier distortion. VIZIO, Inc. has made every effort to ensure the accuracy of the information provided herein.
What should I do if my Vizio subwoofer is not working?
Ensure there is no power connected to both the Soundbar and any wireless subwoofers. While unplugged, hold the ‘Power’ button down for 30 seconds. Plug the devices back in and pair all devices. Your VIZIO soundbar power cycle is now complete.
How do you turn on a Vizio sound bar?
Disconnect the soundbar from the power outlet. Then press and hold the power button on the soundbar. Most Vizio soundbars have a power button either on the top or on the left side. Press and hold the power button for 30 seconds. Then let go and plug the soundbar back in. Use the power button on the soundbar to turn it on.
Ensure there is no power connected to both the Soundbar and any wireless subwoofers. While unplugged, hold the ‘Power’ button down for 30 seconds. Plug the devices back in and pair all devices. Your VIZIO soundbar power cycle is now complete.
What to know about the Vizio S3821w C0 model?
Model: S3821w-C0 QUICK START GUIDE Model: S3821w-C0 VIZIO • Do not overload power strips and extension cords. Overloading can result in fire or electric shock. • The wall socket should be located near your Unit and be easily accessible • Keep your Unit away from moisture. Do not expose your Unit to rain or moisture.
Why is my sound bar remote not working?
Press and hold the power button for 30 seconds. Then let go and plug the soundbar back in. Use the power button on the soundbar to turn it on. Then test the remote again. If power cycling the soundbar gets the remote to work then the problem is a software issue. Even if the remote is working now the problem is likely to return at another time.