The basic connection: what you need and where to plug in

Connecting a Roku to your TV takes about two minutes and requires only two things: the Roku device itself and an HDMI cable. The Roku plugs into your TV's HDMI port — the same port you would use for a cable box or gaming console — and into a power outlet. That is the entire physical setup.

Find an HDMI port on the back or side of your TV. Most TVs have at least two; it does not matter which one you use. Plug one end of the HDMI cable into that port and the other end into the HDMI port on the Roku device. Then plug the Roku's power cable into a nearby outlet. Within a few seconds, your TV screen should show the Roku startup screen.

If your TV does not turn on automatically, use your TV remote to switch to the HDMI input where you plugged in the Roku. On most remotes, this is an "Input" or "HDMI" button. Your TV may cycle through several inputs before landing on the right one, or you may see a menu where you select the port number.

Key Takeaways

  • Roku connects via HDMI cable to your TV and requires only a power outlet — no separate internet cable needed.
  • After plugging in the HDMI and power cables, switch your TV to the correct HDMI input using your TV remote.
  • The Roku setup screen will walk you through connecting to your home WiFi and signing into a Roku account.
  • You do not need a Roku account to watch free channels, but you will need one to add paid services like Netflix or Hulu.
  • If the picture does not appear, check that both cables are fully inserted and that you are on the correct HDMI input.

Switching your TV to the correct HDMI input

This step confuses more people than any other, even though it is straightforward. Your TV has multiple HDMI ports because you might connect a cable box, a gaming console, and a Roku all at once. Your TV needs to know which one you want to watch right now.

Look at your TV remote for a button labeled "Input," "Source," "HDMI," or sometimes just a symbol that looks like a rectangle with an arrow. Press it. Your TV screen will show a menu listing the available inputs — you might see "HDMI 1," "HDMI 2," "HDMI 3," or similar. Select the HDMI port where you plugged in the Roku cable. The Roku startup screen should appear within a few seconds.

If you see a black screen or a "no signal" message, double-check that the HDMI cable is pushed all the way into both the TV and the Roku. A cable that looks plugged in but is not fully seated will not work. Push it in firmly until you hear or feel a small click.

Connecting to WiFi during setup

Once the Roku startup screen appears, you will see a series of prompts. The first asks you to select your language and country. After that, the Roku will search for WiFi networks in your home and show you a list.

Select your home WiFi network from the list. If you do not see it, make sure your WiFi router is turned on and within reasonable range of the Roku — most routers work well up to about 50 feet away, though walls and metal objects can reduce that distance. If your network still does not appear, you can manually enter the network name and password on the next screen.

Enter your WiFi password exactly as it is — passwords are case-sensitive, so capital letters matter. The Roku will connect and then check for software updates. This can take a few minutes. Do not unplug the device during this step.

Creating or signing into your Roku account

After WiFi connects, the Roku will ask you to sign into a Roku account or create one. You can use an email address you already have — Gmail, Outlook, Yahoo, or any other email provider works. If you do not have an email address, you can create one for free through Gmail or Outlook.

A Roku account is free and does not require a credit card unless you plan to buy or rent movies and TV shows through the Roku Channel. If you only want to watch free channels like Pluto TV, YouTube, or Tubi, you can skip adding a payment method. You will be asked to set up a PIN for security — this prevents someone else from making purchases on your account.

Once you sign in, the Roku will read any available software updates and then show you the home screen with a selection of free and paid channels. You are now ready to add channels and start watching.

Adding channels and starting to watch

The Roku home screen shows a row of channels at the top — these are apps like Netflix, YouTube, or Pluto TV. Some come pre-installed; others you add yourself. To add a channel, scroll down to "Search Channels" or look for a plus sign icon, then search for the channel by name.

Free channels like Pluto TV, Tubi, and YouTube require no subscription. Paid channels like Netflix, Hulu, or Disney+ require you to have an account with that service — the Roku does not provide the subscription, it just lets you watch it. If you already have a Netflix account, for example, you sign into it through the Roku app, and then you can watch your shows.

Use the Roku remote to navigate. The directional pad moves up, down, left, and right; the center button selects. The back button takes you to the previous screen. Most people find the remote intuitive within a few minutes of use.

Troubleshooting when the picture does not appear

If you plugged everything in but see a black screen or "no signal" on your TV, work through these steps in order. First, make sure the HDMI cable is fully inserted into both the Roku and the TV — push it in firmly. Second, use your TV remote to cycle through the HDMI inputs until you see the Roku startup screen. Third, check that the Roku power cable is plugged into a working outlet — try plugging in a lamp to confirm the outlet works.

If you see the Roku screen but it is frozen or not responding, unplug the power cable, wait 10 seconds, and plug it back in. This resets the device and usually fixes temporary glitches. If the picture appears but is stretched, squashed, or has black bars on the sides, this is usually a TV setting. Look in your TV's picture or display settings for an option called "aspect ratio" or "zoom" and try different options until the picture looks right.

If the Roku connects to WiFi but then loses the connection, move the router closer to the Roku or remove obstacles like metal filing cabinets or microwave ovens between them. If the connection keeps dropping, restart the router by unplugging it for 30 seconds and plugging it back in.

Using the Roku remote and basic controls

The Roku remote has a directional pad at the top, a center select button, and several other buttons below. The directional pad moves through menus; the center button selects what you want. The back button (usually an arrow pointing left) takes you to the previous screen. The home button (usually a house icon) takes you back to the main home screen from anywhere.

Some Roku remotes have voice search — a microphone button that lets you say the name of a show or channel instead of typing it. Hold down the microphone button, say what you want to find, and release. The Roku will search across all your channels for that title. This feature is convenient but not required; you can always navigate using the directional pad and select button.

If your remote stops working, check that the batteries are fresh and inserted correctly. The battery compartment is usually on the back. If the remote still does not work, you can control the Roku through the official Roku mobile app, which you can read for free on iPhone or Android.

Frequently Asked Questions

Do I need internet to use Roku?

Yes, Roku requires a WiFi connection to stream shows and movies. Without internet, you can see the home screen and navigate menus, but you cannot watch anything. If your WiFi is slow, you may experience buffering or picture quality issues — most streaming services recommend at least 5 megabits per second for standard quality and 25 megabits per second for 4K.

Can I use Roku without a Roku account?

You can watch free channels like YouTube and Pluto TV without signing into a Roku account, but the setup process will still prompt you to create one. Creating an account is free and takes less than a minute. You only need to add a payment method if you plan to buy or rent content through the Roku Channel.

What if my TV does not have an HDMI port?

Older TVs sometimes have only composite (red, white, yellow) ports instead of HDMI. Roku does not make composite cables, so you would need an HDMI-to-composite converter, which adds cost and complexity. If your TV is very old, a Fire Stick or Chromecast may not work either — you might consider upgrading the TV or using a different streaming method.

Can I connect Roku to a monitor or projector instead of a TV?

Yes, as long as the monitor or projector has an HDMI port and speakers or a way to connect speakers. Roku works the same way on any HDMI display. If your projector or monitor does not have built-in speakers, you will need to connect external speakers to the HDMI audio output or use a separate audio cable.

Why is my Roku picture blurry or pixelated?

This usually means your internet connection is too slow for the video quality you are trying to watch. Try pausing the video for 30 seconds to let it buffer, then play again. If it keeps happening, lower the video quality in the app settings, move your router closer to the Roku, or restart your router. If other devices on your WiFi are using a lot of bandwidth, pause them while you stream.