Audio Troubleshooting; Vizio Internet Apps Troubleshooting; Remote Control Troubleshooting - Vizio M221NV User Manual

Audio Troubleshooting

Issue
No audio
Audio volume differs on
each input
Low audio volume (TV
internal speakers)
Distorted/popping audio

VIZIO Internet Apps Troubleshooting

Issue
The installed apps are not
working correctly

Remote Control Troubleshooting

Issue
The remote control will not
work
The remote control will not
adjust TV Volume.
Channel Up and Down
buttons will not work.
Version 5/13/2010
Solution

Press Volume + (Up) on the remote control or side of the TV.

Press MUTE on the remote control to make sure that MUTE is not ON.
Check the MTS Audio settings in the Tuner menu to insure they are set to
Stereo/English. ( TV input only )
Verify that the TV Speakers are

Check the video/device cable integrity. Try another cable (HDMI,
AV/Composite, Coax etc.)

Change audio settings of the external device.

If you are using an antenna, the signal strength of the channel may be low.
Make sure your antenna is connected securely to your HDTV and move the
antenna to an alternate location in the room or close to a window.

Your HDTV will retain the last used volume level for each input.

Press the Volume up on the remote control.

Increase the volume of the external device using that device's remote.

Check video/device cable integrity. Try another cable (HDMI, AV/Composite,
Coax etc.)

Insure audio cables are tightly inserted into inputs.

Try another device.

Use another device input.
Solution

If you are experiencing an issue with the functionality or features of an App,
please contact the App publisher directly. Press the green button while in the
Apps Sidebar view to see help information from the publisher.

Note: VIZIO is not responsible for customer service related to content and/or
services provided by the third parties who create the Apps. Any questions or
requests for service relating to the content or services should be made directly
to the specific App service providers
Solution

Point the remote control directly at the remote sensor on your TV (IR mode
only).

Remove any obstacles between the remote control and the remote sensor (IR
mode only).

Replace dead batteries with new ones.

Check the Advanced Audio menu located in the HDTV Settings App. Audio
control must be set to TV.

In the HDTV Settings App, select Tuner, then Auto Channel Scan. This must
be performed before attempting to change channels.
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VIZIO M221NV User Manual
On Audio
in the menu.