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In this article, the wikiHow will show you how to connect a TV monitor to your computer and use it as a second monitor. Once you’ve connected your Mac or Windows machine to your TV with the right cable, from the options found in your computer’s display settings, you can change how your computer screen looks on the TV.
Steps
Connect the computer to the TV
- Windows
- HDMI – Hexagonal port, tapered at one end. Transmits both picture and sound.
- DisplayPort – Similar to a USB port, but with a pinched corner. Transmits both picture and sound.
- VGA – Blue trapezoid with many holes inside. VGA only transmits images. You need to use a separate cable (such as an A/V cable) to transmit audio.
- Mac
- HDMI – Usually found on Macs manufactured between 2012 and 2016. It’s also on the back of iMac computers.
- Thunderbpt 3 (also known as “USB-C”) – Located on the sides of modern MacBooks and on the rear of the iMac. A USB-C cable cannot be connected directly to the TV, but you can purchase a USB-C to HDMI adapter.
- DVI, VGA, and A/V are other common input ports.
- In some cases, such as USB-C to HDMI or VGA to HDMI, you can use a single cable instead of an adapter.
- If you bought an adapter to connect two separate cables, you would now plug a computer cable into one end of the adapter and connect the other end of the adapter to the other, and then plug the other cable into the TV.
- Use a standard 3.5mm stereo cable to connect the audio output port on the computer to the audio input port that matches the video input used. The audio output port on a computer is usually green and has an icon that indicates it’s passing the signal out.
(Toggle).
- You can also use the Input or Video buttons on the TV to switch between supported input options.
Change display settings on Windows
(Begin). Click the Windows logo in the lower left corner of the screen. The Start menu will be opened.
(Establish). Click on the gear icon at the bottom left of the menu.
- All content on the computer screen remains the same as before the display extension.
- View TV as a monitor located directly to the right of your computer screen.
Change display settings on Mac
. Click the Apple logo located in the upper left corner of the screen. A menu will be dropped down.
- You cannot select a resolution higher than the TV’s built-in resolution (such as 4K).
- That way, in case the picture on the TV is too big or too small, you can adjust the Mac screen to fit the TV.
- Skip this step if the above box is not already checked.
- The desktop icon with the white bar at the top is your Mac’s desktop icon.
- All content on the computer screen will remain as it was before the screen was extended.
Advice
- Extended screens are often used for activities such as playing games or finishing recordings.
- Windows users can change the screen extension pattern at any time by pressing ⊞ Win + P to open the “PROJECT” (Slideshow) menu.
Warning
- Not all TVs work well when used as an extension monitor: Older LCD TVs can experience flickering or graphic errors, such as tearing when moving the mouse between the computer screen and the monitor. TV picture.
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 4,394 times.
In this article, the wikiHow will show you how to connect a TV monitor to your computer and use it as a second monitor. Once you’ve connected your Mac or Windows machine to your TV with the right cable, from the options found in your computer’s display settings, you can change how your computer screen looks on the TV.
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