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PC Connected to Your TV via HDMI: How to Control YouTube from Your Phone

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Hooking your laptop or PC up to the TV with an HDMI cable is one of the cheapest ways to watch YouTube on a big screen. The problem comes right after: the computer sits next to the TV and you're on the couch, far from the keyboard.

Every pause, every volume change and every "what should we watch next?" means getting up. In this guide we show you how to set things up so you can control everything from your phone.

In short: connect the PC to the TV, stop it from going to sleep, and use RemoteTube to turn your phone into a YouTube remote. You scan a QR code once and you're done.

Why connect a PC to the TV instead of using the Smart TV app

Plenty of Smart TVs have a YouTube app, but connecting a computer has its advantages:

The only real downside is control. And that has a fix.

Step 1: connect and set up the picture

  1. Plug the HDMI cable from the PC into the TV and pick that HDMI input with the TV remote.
  2. In Windows, press Windows + P and choose Duplicate (same picture on both screens) or Second screen only (picture on the TV only).
  3. If the picture looks cut off or too small, adjust the scale in Settings > System > Display.

Step 2: send the sound to the TV

If the audio still comes out of the laptop, click the volume icon in the taskbar and pick the TV as the output device. It usually shows up with the TV's name or brand.

Step 3: stop the PC from going to sleep

Nothing ruins a movie like the screen turning off halfway through:

Step 4: turn your phone into the remote

With picture and sound sorted, all that's missing is the remote. For YouTube, the most comfortable option is your phone:

  1. Install RemoteTube in Chrome, Edge, Brave or Opera. It's free.
  2. Open YouTube on the PC and click the extension icon.
  3. Scan the QR code with your phone's camera.

From then on you can, without leaving the couch:

You don't need to install an app on your phone, and it doesn't have to be on the same Wi-Fi. For a more detailed walkthrough, see the guide on how to control YouTube on PC from your phone.

Other ways to control the PC from the couch

Option Pros Cons
Phone with RemoteTube Free, no app, big buttons built for YouTube Only controls YouTube
Wireless keyboard with touchpad Works for everything You have to buy one, and it's clunky for casual use
Wireless mouse Cheap You have to follow the pointer on the TV from across the room
Remote desktop app Controls the whole PC Tiny screen on your phone, more lag

If you want alternatives for other situations too, check out our list of ways to pause YouTube on PC without getting up.

Conclusion

A PC connected to the TV over HDMI makes a great media center, as long as you solve the remote. Set up the picture, sound and power once, then use RemoteTube to run YouTube from your phone like a TV remote.

Try RemoteTube on Your PC Right Now

Control YouTube, adjust volume, and search recommendations directly from your phone. Zero setup, no login required.

Frequently Asked Questions

How do I control YouTube when my laptop is connected to the TV?

The simplest way is to use your phone as the remote. With the free RemoteTube extension you scan a QR code once, and from your phone you can pause, skip, change the volume and search for videos.

Can I close the laptop lid while it's connected to the TV?

Yes. In Windows, open Control Panel, go to Power Options, choose 'Choose what closing the lid does' and set it to 'Do nothing' when plugged in.

Why does the sound come out of the laptop instead of the TV?

Windows sometimes keeps the laptop speakers as the output. Click the volume icon in the taskbar and pick the TV as the output device.

Does my phone need to be on the same Wi-Fi as the PC?

Not with RemoteTube. It connects through encrypted WebSockets, so it works even if your phone is on mobile data.

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