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- HP Community
- Notebooks
- Notebook Video, Display and Touch
- HP laptop cannot connect to Vizio TV

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02-16-2021 06:06 PM
I am having trouble connecting my HP Notebook to my Vizio TV as a second monitor. It was working fine in the extend setting for about a week before it stopped working. The TV is now not detecting the HP laptop at all.
I connect the laptop to the TV using an HDMI cord. I have used several HDMI cords and tried both HDMI sources on the TV. I also have successful used another monitor as an extended second monitor, so I know the issue is between the HP and the Vizio TV.
The Vizio is a SmartCast TV with a model number E320i-A0. The laptop is a HP Notebook 15-dy1045nr with a Windows 10 operating system.
02-19-2021 11:24 AM
Thank you for posting on HP Support Community.
Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:
If you have problems connecting a TV to the computer, consider the following.
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Turn on the TV before turning on the computer.
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Use only one video source per monitor device. Do not connect two cables to the same TV or monitor unless it supports picture-in-picture.
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Make sure your TV supports sound with your connection type, or use a separate audio cable connection.
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If the computer cannot detect the TV, set the TV as the primary monitor device, and then restart the computer.
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Make sure your TV input source matches the video source that you are using. On the TV remote control, press the Source or Input button. Input 1, HDMI 1, or S-video or similar monitors, depending on your TV. If your TV does not have this option, you cannot use it as a second monitor without using special video signal processing (not covered in this document). For more information, refer to the manual for your TV.
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If you are using a coaxial or S-video connector, set the desktop screen resolution to 800 x 600 (or less).
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Adjust the aspect ratio to scale the image to the screen you are using.
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Make sure the signal format of the TV matches the signal output of the card (for on-board TV-output, this setting can be changed in the BIOS). For standard analog signals, a TV accepts either a PAL (Europe) or NTSC (North America) signal.
Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
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I am an HP Employee