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- HP Community
- Desktops
- Desktop Video, Display and Touch
- No signal on my TV when I connect the laptop via HDMI

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08-26-2020 05:28 PM
I have a cs3067 laptop with Windows 10 Home. When I connect the HDMI cable to my TV it says no signal. When I use the same cable from a different laptop or tablet it works fine.
I have updated Windows and all drivers to the latest version without success,
08-29-2020 08:33 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:
Step 1: Connect the second display
Computers and TVs have a wide variety of video connection types. The video connection on your computer must match the connection on your TV or monitor.
note:If your PC only has DVI and your TV does not have a DVI port, you can use a special adapter or converter cable.
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Select a connection type based on your second monitor.
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Monitor: VGA
or DVI
cable
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TV: Video (composite)
or S-video
cable
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High Definition TV: DVI
or HDMI
cable
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Connect the TV or monitor to the computer using the cable you chose.
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Connect a power cable to the TV or monitor, and then turn it on.
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TV connections only: Change the TV video input source to match the video source connection from the computer (Line-1, Video-1, HDMI, etc.). Refer to documents that came with the TV for instructions.
Depending on the TV, the image quality might not be as good as that of a monitor.
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Turn on the computer.
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 display 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 display 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 displays, 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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