VIZIO M470NV/M550NV User Manual
Issue
Power is ON but there is no image on the screen / Black screen
Wrong or abnormal colors/patterns
Side Control buttons do not work
Poor image quality
Distorted image or unusual sound
Solution
∙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
∙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.
∙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
∙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.
∙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.
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