The fastest way to sign in depends on your TV type
The method you use to sign into YouTube on your TV depends on what kind of TV you have. Smart TVs with built-in YouTube apps (Samsung, LG, Sony, Roku, Fire TV) let you sign in directly on the TV itself. Older TVs without YouTube built in can use a Chromecast, Apple TV, or similar streaming device. The TV itself will show you a code on screen, and you'll enter that code on your phone or computer to link your account — you don't type your password into the TV.
This matters because it's faster and safer than typing a long password using a remote control. Google designed the sign-in flow this way on purpose: the TV shows a unique code, your phone or computer confirms who you are, and the TV automatically logs in. No password ever touches the remote.
Key Takeaways
- Smart TVs with YouTube built in will show you an 8-digit code on screen that you enter on your phone or computer to sign in.
- You never type your password into the TV — you sign in on your phone or computer instead, and the TV links automatically.
- If your TV doesn't have YouTube built in, you can use a Chromecast, Apple TV, Fire TV, or Roku device to watch YouTube.
- If you're already signed into Google on your phone, signing into YouTube on the TV is usually a one-step process.
Signing in on a smart TV with YouTube built in
Open the YouTube app on your TV and select Sign in. The TV will display an 8-digit code and a URL (usually youtube.com/set up). Write down the code or keep it visible on your screen.
On your phone or computer, go to the URL shown on the TV (youtube.com/set up) or search for "YouTube set up" in Google. You'll be asked to sign into your Google account if you're not already signed in. Once you're signed in, enter the 8-digit code from your TV into the box on the screen. Within a few seconds, your TV will recognize the code and sign you in automatically.
If you have multiple Google accounts, make sure you're signing in with the account you want to use on the TV. The account you sign in with on your phone or computer is the one that will be linked to your TV.
Signing in on a Chromecast or streaming device
If you're using a Chromecast, Fire TV, Roku, or Apple TV, the sign-in process is similar but happens through the device's menu, not the YouTube app itself. Open the YouTube app on your streaming device and tap Sign in. A code will appear on your TV screen.
Go to youtube.com/set up on your phone or computer, sign into your Google account, and enter the code. Your streaming device will sign in automatically. If you're already signed into Google on your phone, this step takes about 30 seconds.
Some older Chromecast models may ask you to sign in through the Google Home app instead of YouTube. If you see a message directing you to the Home app, open it on your phone, tap your profile picture, select Settings, then Google Account, and follow the prompts to link YouTube.
What to do if the code doesn't work
If you enter the code and nothing happens on the TV, check that you're using the correct code — it's case-sensitive and must match exactly what appears on screen. If the code has expired (usually after 15 minutes), go back to the YouTube app on your TV and request a new code.
Make sure you're on the same Wi-Fi network on both your phone and your TV. If your phone is on mobile data instead of Wi-Fi, the sign-in won't work. Check your phone's Wi-Fi settings and connect to the same network as your TV.
If you're still having trouble, sign out of YouTube on your TV completely (go to Settings > YouTube > Sign out), restart the YouTube app, and try the sign-in process again from the beginning.
Signing in with a guest account or family link
If you want to let someone else watch YouTube on your TV without giving them your password, you can add a guest account. On your TV, go to Settings > Accounts and select Add account. The TV will show a code that the other person can use to sign in with their own Google account.
If you have children and want to manage what they watch, you can set up a supervised account through Google Family Link on your phone. This lets you control content restrictions and screen time from your phone while they sign in on the TV with their own account.
Signing back in after a factory reset
If you reset your TV to factory settings or buy a used TV, you'll need to sign into YouTube again. The process is the same: open YouTube, select Sign in, and use the code method on your phone or computer. You don't need to do anything special — just follow the same steps as a first-time sign-in.
If your TV asks you to sign into your Google account during the initial setup (before you even open YouTube), do that first. Once your TV is signed into Google, YouTube will often sign in automatically the first time you open the app.
Troubleshooting sign-in problems on specific TV brands
Samsung Smart TVs: Open the YouTube app, select Sign in, and use the code method. If YouTube isn't pre-installed, read it from the Samsung App Store first.
LG Smart TVs: Open YouTube from the LG Content Store. Select Sign in and follow the code method. LG TVs sometimes require you to sign into your LG account first, but YouTube sign-in is separate.
Sony Smart TVs: Open YouTube and select Sign in. Sony TVs use the same code-based method. If you're having trouble, restart the TV and try again.
Roku devices: Open YouTube, select Sign in, and use the code method. Roku will also let you sign in through the Roku mobile app if you prefer.
Fire TV devices: Open YouTube, select Sign in, and use the code method. Fire TV devices sometimes ask you to sign into your Amazon account first, but YouTube is separate.
Frequently Asked Questions
Do I need to enter my password on the TV remote?
No. You enter a code on your phone or computer instead, and the TV signs in automatically. This is safer because you're not typing a password using a remote control, where it's easier to make mistakes or be watched.
Can I sign into YouTube on my TV without a smartphone?
Yes. You can use any computer or tablet to go to youtube.com/set up and enter the code. You don't need a smartphone specifically — any device with a web browser works.
What happens if I sign out of YouTube on my TV?
Your watch history, subscriptions, and recommendations will no longer appear on that TV. The next person to open YouTube will see a blank account. You can sign back in anytime using the code method.
Can multiple people have their own YouTube accounts on the same TV?
Yes. Most smart TVs let you add multiple accounts in Settings. Each person can sign in with their own Google account, and each will see their own watch history and recommendations. Some TVs show a profile selector when you open YouTube.
Why does my TV keep asking me to sign in every time I open YouTube?
This usually means the sign-in didn't complete properly. Try signing out completely (go to Settings > YouTube > Sign out), restart the TV, and sign in again using the code method. If it keeps happening, restart your TV and check that your internet connection is stable.