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ComputingHow to get sound from a laptop to a TV with HDMI

How to get sound from a laptop to a TV with HDMI

With the development of HD technology and the improvement of image quality in monitors appear special inputs are capable of transmitting digital images without loss of image and sound quality. Before HDMI cables, many people used two different cables simultaneously – DVI and AUX, which became obsolete over time.

Now almost all equipment uses the HDMI connector – because the device is available almost everywhere and is inexpensive. With this cable, you can display any picture on the monitor from any other devices, including laptops, that have an HDMI input.

What is HDMI and why you should have it

The main purpose of this interface is to transmit high-quality video with sound (audio). An input (on your TV, laptop, smartphone, etc.) is used to connect the cable, and the cable itself – to transfer multimedia files from one device to another.

Manufacturers of modern electronics began to massively add this interface to their devices. Thanks to this it’s much easier now to synchronize home electronics. For example, you own a smartphone and filmed a house party in HD quality. You have a desire to show the video to your family. You can do this by pressing playback on the device, connecting your smartphone to the TV, and showing the video on a larger screen.

A key feature of HDMI is the playback of audio and video over a single cable, which no other interface of this kind has given before.

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How to use HDMI properly

Choosing and using a proper HDMI cable is pretty easy. You don’t need to be an advanced IT expert or a skilled user to perform the connection. All you need is:

  • A TV/Monitor (with the connector you need) – to receive the picture and sound;
  • A computer/laptop/tablet/smartphone/gaming console, etc.
  • The wire itself is long enough to connect these devices.

Insert one end of the wire into the “picture and audio transmitter” and the other end into the “receiver”. Make the necessary settings and use them. As you can see, there’s nothing complicated about it.

How you can connect your laptop to the TV via HDMI

Want to spend the evening with Netflix, but you don’t have Smart TV? Don’t worry, synchronizing your TV and laptop is quite a straightforward process. You only need to buy a cable that will allow you to duplicate the image on the big screen. To be fair, it’s rarely included in the basic package. However, it costs inexpensive.

You won’t need a third-party program to connect the TV to the laptop. Therefore, any special skills are also not required. Just follow the instructions.

Note: Some TVs and laptops are not equipped with an HDMI interface, but this is a big rarity. In such situations, you need to buy an adapter for other connectors.

So, in order to send the picture to the TV, you need to connect the two devices with a cable:

  • Turn off the TV and the laptop. It’s necessary to do this, so as not to damage the contacts as a result of a possible spark.
  • Plug the ends of the HDMI cable into the input and output connectors (TV and laptop respectively).
  • Switch both devices on.

Most likely, you won’t see the laptop screen projection on the TV. That’s why the TV and laptop need to be set up for this:

  • Go to the TV’s “Menu” and find the “Input List” item. You can also bring it up by pressing the “Input” or “Source” key on the remote control.
  • In the list that appears, click on the input source: HDMI.
  • After that, the image from the laptop should appear on the TV.

However, if it didn’t happen, the laptop has disabled the transmission of the external signal. To turn it on, you need:

  • Press Win+P at the same time.
  • In the window that appears, select the type of projection.

The optimal way is the option “Only the second screen“, in which the image from your laptop will be exactly duplicated on the TV screen, while the laptop display itself will remain turned off.

This is the best and most convenient way to watch movies and TV series on your TV through your laptop. However, what to do if you have connected the picture, but no sound?

What to do if HDMI doesn’t transmit sound to your TV

Often it turns out to be very simple. It’s enough to go to the settings menu of the gadget and see through which video input is the current image broadcast. Usually, modern devices have several HDMI ports: 1, 2, and 3. It’s necessary to select the one in which the cable is inserted.

Here are a few more possible variants of the lack of sound when connected via HDMI:

  • The volume is turned down to a minimum.
  • The Mute button on the remote control is enabled (usually a message is displayed on the screen).
  • A device is connected to the headphones already.

If nothing did help, it’s time to recheck the cables for mechanical damage or image transmission settings, as discussed next.

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How to select the proper output device

By default in Windows 10, all connected devices that can output sound are enabled. The default (i.e. primary) gadget is randomly selected. Therefore, you need to configure the playback devices. To do this:

  • In the drop-down window, select “Open sound settings”.
  • In the window that appears, select “Sound Control Panel” located on the right side of the window.

You’ll then see all your playback devices. The ones you don’t need can be disabled. To do this:

  • Right-click on the name of the gadget and select the Disable.
  • In the same menu, you can select the default device.

This is a very handy feature for using multiple devices. For example, if you select the TV as the default device, the sound will be transmitted to it. And if the TV is off, the audio signal will go to the headphones or monitor speakers.

If sound appears, but there’s still no sound in some programs and games, then the cause may be in similar settings, only within a particular app. You should additionally go to the game/program settings and select the output device again.

And that’s how you can connect HDMI to your TV via any laptop and enjoy perfect quality pictures on the TV screen.



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