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How to Use a TV as a Second Computer Monitor

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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.

Connect the computer to the TV

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Find your computer’s video output port. Nearly every computer has at least one video output port: [1]

  • 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.
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Find your TV’s video input option. The video input section is usually located on the side or rear of the TV. Nearly every modern TV has an HDMI port. If your TV has such a port, make it a priority.

  • DVI, VGA, and A/V are other common input ports.
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Determine whether you need an adapter. If both the computer and the TV have the same type of port (such as HDMI), you won’t need an adapter. If that’s not the case, you’ll need a cable or adapter that converts [computer port] to [TV port] (e.g. USB-C to HDMI).

  • In some cases, such as USB-C to HDMI or VGA to HDMI, you can use a single cable instead of an adapter.
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Buy all the cables and adapters you need. You can usually buy the cable and adapter at a hardware store like Best Buy or online at sites like Amazon and eBay.
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Plug one end of the cable into the computer. The cable needs to be plugged into your computer’s video output port.
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Plug the other end into the TV.

  • 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.
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Connect the audio cable if necessary. If you connect your computer to your TV using an HDMI-to-HDMI or DisplayPort-to-HDMI connection, you don’t need an extra cable to get the audio to the TV. In other cases, such as connecting from a VGA port to an HDMI port, you will have to use a separate audio cable to transmit sound from the computer to 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.
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Turn on the TV. Press the Power button

Windows Power

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(Toggle).

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Select the appropriate input. Use the remote to turn on and switch the TV to the input mode transmitted by the computer. This option is usually very clear, such as “HDMI 1” or “1”.

  • You can also use the Input or Video buttons on the TV to switch between supported input options.
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Wait for the computer screen to appear. When the computer screen appears on the TV, you can proceed to adjust the display settings to set up the TV screen as desired.

Change display settings on Windows

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Open Start

Windows Start

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(Begin). Click the Windows logo in the lower left corner of the screen. The Start menu will be opened.

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Open Settings

Windows Settings

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(Establish). Click on the gear icon at the bottom left of the menu.

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Go to System . This is the computer icon located on the Settings window.
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Click the Display tab. This option is located on the left side of the Display window.
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Scroll down to the “Multiple displays” section. This section is near the bottom of the page.
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Click the “Multiple displays” drop-down box. A menu will be dropped down.
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Click Extend these displays . This is the option in the drop-down box. The TV monitor will act as an extension of the computer monitor (rather than merely a redisplay).
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Use your extended TV screen. When you put the mouse over the right edge of the computer screen, your mouse will run over the TV screen and at this point, you can continue to use the computer as usual.

  • 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

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Open the Apple menu

Mac Apple

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. Click the Apple logo located in the upper left corner of the screen. A menu will be dropped down.

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Click System Preferences… (System Preferences). This option is near the top of the drop-down menu. The System Preferences window will appear.
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Click Displays . This is the desktop icon in the middle of the System Preferences window.
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Click the Displays tab located in the upper-left corner of the window.
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Change the resolution of the TV. Check the “Scaled” box and then choose a resolution.

  • You cannot select a resolution higher than the TV’s built-in resolution (such as 4K).
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Change screen aspect ratio. Click and drag the “Underscan” slider located at the bottom of the page to the left to show more content on the TV, or to the right to enlarge the screen.

  • 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.
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Image titled Use Your TV as a Second Monitor for Your Computer Step 25

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Click the Arrangement tab at the top of the window.
Image titled Use Your TV as a Second Monitor for Your Computer Step 26

Image titled Use Your TV as a Second Monitor for Your Computer Step 26

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Uncheck the “Mirror displays” box. As a result, the TV will not simply display what is on the Mac screen.

  • Skip this step if the above box is not already checked.
Image titled Use Your TV as a Second Monitor for Your Computer Step 27

Image titled Use Your TV as a Second Monitor for Your Computer Step 27

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Move the TV screen icon if necessary. It’s usually the larger rectangle at the top of the window, to the right of the Mac desktop icon. You can click and drag the TV icon to the right if needed.

  • The desktop icon with the white bar at the top is your Mac’s desktop icon.
  • Image titled Use Your TV as a Second Monitor for Your Computer Step 28

    Image titled Use Your TV as a Second Monitor for Your Computer Step 28

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    Use the extended TV screen. Move the mouse beyond the right edge of the computer screen to bring it across the TV screen. Here, you can continue to use your computer as you normally would.

    • 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.

    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.

    Thank you for reading this post How to Use a TV as a Second Computer Monitor at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

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