The basic steps to connect Roku to your TV
Connecting a Roku device to your TV takes about five minutes and requires three things: the Roku itself, an HDMI cable, and a power source. Plug the HDMI cable into the HDMI port on the back or side of your TV, then plug the other end into the Roku device. Plug the Roku's power cable into an outlet or USB port, turn on your TV, and switch to the HDMI input where you plugged in the Roku. The Roku will start up and walk you through the rest on your screen.
The hardest part is usually finding the right HDMI input. Most TVs have multiple HDMI ports labeled 1, 2, 3, or 4. Use your TV remote to press the input or source button — it's often on the side of the remote — and select the HDMI port you used. If you're not sure which one, try each until you see the Roku startup screen.
Key Takeaways
- Connect the Roku to your TV using an HDMI cable, then plug in the power cable and switch your TV to that HDMI input.
- The Roku will guide you through connecting to your home Wi-Fi network during startup, which you'll need to do before you can stream anything.
- If your TV doesn't have an available HDMI port, you can use an HDMI splitter or switch to add more ports, though this adds another device to manage.
- Some newer TVs have Roku built in, so you won't need a separate device — check your TV's manual or settings to see if yours does.
What happens during the first startup
Once you see the Roku home screen, you'll be asked to connect to your Wi-Fi network. Use your TV remote to select your network name from the list and enter your Wi-Fi password. This is the only setup step that requires you to type anything, and the Roku remote has a keyboard built in to make it easier.
After you connect to Wi-Fi, the Roku will ask you to sign in with a Roku account or create one. You can use an email address you already have — Gmail, Outlook, or any other email works. This account is how Roku tracks which apps you've installed and your watch history, but you don't have to use it if you don't want to. You can skip this step and use the Roku without an account, though some apps may not work.
Once you're signed in, the Roku will show you its home screen with app suggestions. You're ready to start using it. You don't need to do anything else with your TV settings.
Choosing the right HDMI cable and power option
Most Roku devices come with an HDMI cable in the box, so you usually don't need to buy one separately. If yours didn't come with one or the cable is damaged, any standard HDMI cable works — they're all the same. You can find them at any electronics store or online for a few dollars. Length doesn't matter much unless your TV is far from where you want to place the Roku, in which case a longer cable (10 feet or more) gives you flexibility.
For power, the Roku can plug into a wall outlet or into a USB port on your TV. Plugging into your TV's USB port is convenient because the Roku turns on and off with the TV, but not all TV USB ports provide enough power. If the Roku keeps shutting down or restarting, switch to plugging it into a wall outlet instead. Wall power is more reliable and is what Roku recommends.
What to do if your TV doesn't have an available HDMI port
If your TV has HDMI ports but they're all in use, you have two options: unplug something else, or use an HDMI splitter or switch. An HDMI splitter lets you plug multiple devices into one port, though you can only use one device at a time — you switch between them using a button on the splitter. An HDMI switch does the same thing but is usually more reliable. Both cost between $15 and $40 depending on how many devices you want to connect.
Before you buy a splitter or switch, check whether you actually need one. Many people have devices plugged in that they rarely use. If you can unplug a cable box, game console, or other device and only plug it back in when you need it, that's simpler than adding another device. But if you want everything connected at once, a switch is a straightforward solution.
Built-in Roku vs. a separate Roku device
Some TV brands — including TCL, Hisense, and Insignia — sell models with Roku built directly into the TV. If your TV has Roku built in, you don't need a separate device. You'll see a Roku home screen when you turn on the TV, and you can connect to Wi-Fi and start streaming right away. Check your TV's manual or look in the settings menu to see if yours has this feature.
Built-in Roku is convenient because there's one less device to plug in and manage. The downside is that if Roku stops supporting your TV model or you want to upgrade to a newer version of Roku, you're stuck with what's built in. A separate Roku device can be unplugged and moved to a different TV or replaced independently. For most people, the convenience of built-in Roku outweighs this, but it's worth knowing the difference.
Troubleshooting common connection problems
If the Roku doesn't show up on your TV screen after you plug it in, first check that you've switched to the correct HDMI input. Use your TV remote to cycle through each HDMI input until you see the Roku startup screen. If you still don't see anything, unplug the Roku for 30 seconds, plug it back in, and wait for it to start up again. This usually fixes temporary glitches.
If the Roku starts up but can't connect to Wi-Fi, move it closer to your router or check that you entered your password correctly. Roku devices work best when they're within 20 feet of your router. If you're far away, you may need to move the router, use a Wi-Fi extender, or switch to a 2.4 GHz network instead of 5 GHz — older Roku models sometimes have trouble with 5 GHz.
If the picture looks blurry or the colors seem off, check that the HDMI cable is fully plugged in on both ends. A loose connection can cause picture problems. If the cable is tight and the picture is still bad, try a different HDMI port on your TV. Some ports work better than others depending on your TV model.
Frequently Asked Questions
Do I need a Roku account to use the device?
No. You can skip account creation during setup and use the Roku without signing in. However, some apps may not work, and you won't be able to save your preferences or watch history. Creating an account is free and takes less than a minute if you decide you want one later.
Can I use a Roku with an older TV that only has composite cables?
No. Roku devices only work with HDMI, which older TVs don't have. If your TV only has yellow, red, and white cables, you would need an HDMI-to-composite converter, but these are unreliable and not recommended. Upgrading to a TV with HDMI is the better option.
What if I want to move the Roku to a different TV?
Just unplug it from the current TV and plug it into the new one. You don't need to do anything else. The Roku will remember your account and apps. If the new TV is on a different Wi-Fi network, you'll need to reconnect to that network, but the process is the same as the first time.
Can I connect multiple Roku devices to the same TV?
You can only use one HDMI device at a time on a single input, so you'd have to unplug one Roku to use the other. If you want to use multiple Roku devices, you'd need multiple TVs or multiple HDMI inputs on the same TV. Most people don't need more than one Roku per TV.