How to Connect a Chromebook to a TV

The fastest way: HDMI cable or USB-C to HDMI adapter

Most Chromebooks connect to a TV the same way a laptop does — with a cable plugged directly into a video port. Check what port your Chromebook has: older models use HDMI, newer ones use USB-C. If your Chromebook has USB-C and your TV has HDMI (which most do), you need a USB-C to HDMI adapter, which costs $10 to $25 and works when ready with no setup.

Plug the adapter into your Chromebook's USB-C port, plug an HDMI cable into the adapter, and plug the other end into any HDMI port on your TV. Switch your TV to that HDMI input using the remote. Your Chromebook screen appears on the TV within seconds. This method works for presentations, watching video, or anything else — the TV becomes a second display or a mirror of what you see on the Chromebook.

If your Chromebook has an HDMI port, skip the adapter and plug the HDMI cable directly in. The connection is the same from that point forward.

Key Takeaways

A USB-C to HDMI adapter or direct HDMI cable is the simplest connection method and requires no setup or pairing.
Your TV must be set to the correct HDMI input using the remote — the Chromebook will not automatically switch it.
Wireless casting through Chromecast or Google Cast works if your TV has the feature built in or if you own a Chromecast device.
Check your Chromebook's ports before buying an adapter; USB-C is standard on newer models, HDMI on older ones.

Wireless casting if you have a Chromecast device or compatible TV

If you do not want to use a cable, you can cast your Chromebook screen wirelessly to a TV that has Chromecast built in or to a separate Chromecast device plugged into the TV. Many newer TVs from Samsung, LG, Sony, and other brands have Chromecast built in; check your TV's manual or settings to confirm.

To cast wirelessly, make sure your Chromebook and TV (or Chromecast device) are on the same Wi-Fi network. On your Chromebook, press Ctrl + Alt + Show Windows (the Show Windows key is where F5 would be on a regular keyboard) to open the system menu in the bottom right corner. Click Cast, then select your TV from the list. Your Chromebook screen appears on the TV within a few seconds.

Casting works well for presentations or sharing video, but it is slightly slower than a cable connection and depends on your Wi-Fi signal. If your TV does not have Chromecast built in, a standalone Chromecast device (around $30 to $50) plugs into any HDMI port and adds the feature.

What happens when you connect: mirror or extend

When you plug in a cable or cast to a TV, your Chromebook defaults to mirror mode — the TV shows exactly what appears on the Chromebook screen. This is useful for presentations or watching something together, but it means you cannot use the Chromebook screen for something else while the TV shows something different.

Some Chromebooks support extend mode, which treats the TV as a second display. You can drag windows between the Chromebook screen and the TV, or keep different things open on each. To check if your model supports this, go to Settings > Device > Displays after connecting. If an option to extend appears, you can toggle between mirror and extend. Not all Chromebooks offer this feature, so do not expect it if you do not see the option.

Troubleshooting a connection that does not appear

If you plug in a cable and nothing shows on the TV, first check that the TV is set to the correct HDMI input. Use the TV remote to cycle through inputs until you see your Chromebook screen. If the input is correct and still nothing appears, unplug the cable, wait 10 seconds, and plug it back in.

For wireless casting, make sure both devices are on the same Wi-Fi network. If your Chromebook does not show the TV in the Cast menu, restart your Chromebook and try again. If the TV or Chromecast device is far from your router or blocked by walls, move it closer to improve the signal. Casting also fails if your Wi-Fi password has recently changed — reconnect your Chromebook to the network with the new password and try casting again.

If you are using an adapter, try a different USB-C to HDMI adapter if you have one available. Some adapters are unreliable or incompatible with certain Chromebook models, though this is rare.

Audio and video quality considerations

Both cable and wireless connections carry audio and video together, so you do not need a separate audio cable. The TV speakers play sound from your Chromebook automatically. If you want better sound, you can connect external speakers to the TV instead of using the TV's built-in speakers.

Video quality depends on your TV and Chromebook, but both cable and wireless connections support HD and 4K video if your TV is capable. Casting over Wi-Fi may drop quality slightly if your network is slow or crowded, but most people do not notice the difference for everyday use.

When to use a cable versus wireless casting

Use a cable connection if you want the simplest, most reliable setup with no lag. Cables work when ready, do not depend on Wi-Fi, and are ideal for presentations where you cannot afford a connection failure. The downside is you have a physical cable running from the Chromebook to the TV, which limits where you can sit.

Use wireless casting if you want to move around the room or if the cable route is inconvenient. Casting is also better if you plan to switch between multiple devices — you can cast from your phone, tablet, or another Chromebook to the same TV without unplugging anything. The trade-off is a slight delay and the need for a stable Wi-Fi connection.

Frequently Asked Questions

Do I need to install anything on my Chromebook to connect to a TV?

No. Cable connections work when ready with no software or drivers. Wireless casting is built into Chrome OS, so you do not need to read anything. If your TV does not have Chromecast built in, you only need to plug in a Chromecast device.

Can I connect a Chromebook to a TV that does not have HDMI?

Older TVs with only composite or component video ports cannot connect to a Chromebook directly. You would need a USB-C or HDMI to composite/component converter, which is uncommon and often unreliable. Wireless casting is a better option if available, or consider upgrading the TV.

Will connecting to a TV drain my Chromebook battery faster?

Yes, slightly. Casting over Wi-Fi uses more power than normal, and a cable connection also draws a small amount of power from the Chromebook. For extended use, plug your Chromebook into power while connected to the TV.

Can I use a Chromebook and TV connection for gaming?

Yes. Cable connections have no lag, so they work well for games. Wireless casting has a slight delay, which may affect fast-paced games but is fine for slower games or casual use.

What if my Chromebook has USB-C but I only have an HDMI cable?

Buy a USB-C to HDMI adapter. They are inexpensive ($10 to $25) and widely available online and in electronics stores. Make sure it is specifically a USB-C to HDMI adapter, not a USB-C to USB-A adapter.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.