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VIZIO M470NV/M550NV User Manual
52
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Issue Solution
Power is ON but there is no
image on the screen / Black
screen
Make sure the power is ON (VIZIO Logo glows white).
Make sure all cables attached to your HDTV are connected to the correct output
of your external device.
Insure that the external device is powered ON
Adjust brightness, contrast or backlight.
Press INPUT to select the correct input source.
Note: Your HDTV will display the television station or program selected by the
cable box, VCR, external tuner, or satellite receiver. Use the remote control that
came with that component to change programs or channels
Perform a power cycle by: Removing the AC power cable from the back of your
television for 30 seconds. Reinsert the power cable and power on the television
Wrong or abnormal
colors/patterns
Check color and tint settings in the Picture Menu.
Reset Picture settings to default in the Picture Menu.
Check the video settings and compatibility of external devices
Check the video cables of external devices to make sure they are securely
connected at both ends.
Try another device on the same input.
If you are using an antenna, the signal strength of the channel may be low.
Make sure your antenna is connected securely to the TV and move the antenna
to an alternate location in the room or close to a window.
Perform a power cycle by: Removing the AC power cable from the back of your
television for 30 seconds. Reinsert the power cable and power on the television.
Side Control buttons do not
work
Press only one button at a time.
Perform a power cycle by: Removing the AC power cable from the back of your
television for 30 seconds. Reinsert the power cable and power on the television
Poor image quality
Standard Definition images will always be noticeably inferior to HD Quality
content. Press INFO to see what the current resolution of the image is. 720p,
1080i, and 1080p are all HD quality resolutions.
Check the video settings of your 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 the TV and move the antenna
to an alternate location in the room or close to a window.
Reset Picture settings to default in the Picture Menu.
Check video/device cable integrity. Try another cable (HDMI, Component,
AV/Composite, Coax etc.)
Perform a power cycle by: Removing the AC power cable from the back of your
television for 30 seconds. Reinsert the power cable and power on the television.
Distorted image or unusual
sound
Check video/device cable integrity. Try another cable (HDMI, Component,
AV/Composite, Coax etc.)
Try the external device on another input.
Perform a power cycle by: Removing the AC power cable from the back of your
television for 30 seconds. Reinsert the power cable and power on the television.
Interference from electrical appliances, cars, motorcycles, or fluorescent lights
may affect television performance. If possible, move your HDTV to an alternate
location within your home.