Q&A for How to Connect PC to LG Smart TV

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How do I connect my old computer to a smart TV?

Nicole Levine, MFA
wikiHow Technology Writer
Nicole Levine is a Technology Writer and Editor for wikiHow. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions.

Nicole Levine, MFA

wikiHow Technology Writer

Expert Answer

Good question! Check the video ports on your computer and see if any match up with ports on your TV. Some older computers might have DVI ports, which many TVs also have. If not, you probably just have a VGA port, in which case, you'll just need a VGA to HDMI adapter. They're very easy to find--just connect the VGA end of the adapter to your old PC, and then HDMI end to your smart TV. You can use our HDMI instructions when using your adapter.

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Question

I would like to select movies to play from my PC instead of doing it in the app on the Smart TV. Can I control the Amazon Prime Video app from my PC?

Nicole Levine, MFA
wikiHow Technology Writer
Nicole Levine is a Technology Writer and Editor for wikiHow. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions.

Nicole Levine, MFA

wikiHow Technology Writer

Expert Answer

Yes! Just install the Prime Video app on your PC, or access Prime Video in your web browser. When you cast or connect with HDMI, anything you play on your computer, including movies and shows on Amazon Prime Video, will play on your TV. This will also work with other websites and apps, including YouTube, Netflix, and Hulu.

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Question

Mini computer connected to LG ThinQ nanocell 65" TV. When playing back movies (.mkv) from computer hard drive, there are shifting greyish shadows on screen during dark scenes. Codec problem?

wikiHow Staff Editor
Staff Answer
This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

wikiHow Staff Editor

Staff Answer

This actually might be related to a poor Wi-Fi signal. If you're using Wi-Fi, try connecting with an HDMI cable instead to see if the problem still exists. If so, you might need to move the computer closer to the TV or try a signal booster.

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Question

Why is my LG 86UM8070AUB showing that there is a device connected to the HDMI port but giving me a no signal message?

wikiHow Staff Editor
Staff Answer
This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

wikiHow Staff Editor

Staff Answer

Double-check that you've selected the correct HDMI port number using your LG remote when choosing a source/input. If it's correct, try another port on your TV, and make sure the cable is tightly secured to your computer. Also, try rebooting your PC.

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Question

Hook my computer to an analog TV?

Community Answer

You'll need an adapter from your computer's video out (HDMI, DVI, DisplayPort, 15-pin VGA) to S-Video, which will go to your television. You can find them online for under $20; however, for the same price you may be able to find a used monitor - even a small computer monitor would have a better display.

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Question

Can I use my tablet on an LG Smart TV?

Community Answer

Yes. Follow the instructions for your TV to make the connection.

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Question

Can I see the pictures in my computer on the TV?

Community Answer

Refer to item 14 in the "Smartshare" section. In other words, yes. Once you have connected your PC with the LG, it will share whatever is in the shared folder.

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Question

Is there a way to make the picture on the smart TV smaller?

Community Answer

Change the resolution of the monitor. In Windows, right click on the desktop and click screen resolution/display settings. If you're in Windows 10, go to advanced and then change it there. For Mac, choose Apple menu, then System Preferences. Click Displays, then click Display. Select Scaled, then select one of the scaled resolution options.

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Question

How do I mirror my laptop to my LG TV?

Community Answer

Use an HDMI cable, then press Windows key+P to select a type of mirror.

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Question

I can't see my LG TV in the connected devices list in Windows Media Player streaming settings. How do I sort this out?

Community Answer

Your PC may be too far away from your TV to connect wirelessly, or you might be using a different media player than Windows Media Player. Try installing Windows Media Player and using it as the computer's default.

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Question

What do I do if my LG TV won't connect to my PC?

Community Answer

Check your external connections, it could be that the HDMI cable is broken.

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Question

Do I have to connect to the PC to use my Smart TV?

Community Answer

No, you do not have to connect to your PC to use your smart TV. Just use your smart TV's remote control and you should be able to use your smart TV.

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