How to Connect a Computer or Laptop to Wi-Fi

In short

To connect a laptop to Wi-Fi, choose your network from the Wi-Fi menu, type the password and you’re online. This tutorial shows those steps on Windows and Mac, explains how your home network fits together so connection problems make sense, and walks you through the fixes for a computer that won’t connect or says “no internet”. The same ideas help when you connect printers and other devices.

Before you start

Your home internet usually arrives through a modem, which connects to your provider, and a router, which creates your Wi-Fi network and shares the connection with your devices. Many providers supply one box that does both. Each Wi-Fi network has a name and a password, often printed on a sticker on the router if they’ve never been changed.

Many routers broadcast on two bands. The 2.4 GHz band reaches further through walls but is slower; the 5 GHz band is faster at shorter range. Some routers show them as two network names, others combine them. Either works for a laptop; some printers and smart devices only use 2.4 GHz.

Key terms

• Router: the device that creates your Wi-Fi network and connects devices to each other and the internet.
• Modem: the device that connects your home to your internet provider.
• SSID: the technical term for a Wi-Fi network’s name.
• Wi-Fi security (WPA2/WPA3): the encryption that protects your network with a password. Always use a password-protected network at home.
• Airplane mode: a setting that switches off all wireless connections at once.

Lesson 1: connect on Windows

1. Select the network icon at the right end of the taskbar (it may look like Wi-Fi waves or a globe) to open quick settings.
2. In Windows 11, select the arrow next to the Wi-Fi button (Manage Wi-Fi connections). In Windows 10, the list of networks appears straight away.
3. Choose your network name, tick Connect automatically if it’s your home network, and select Connect.
4. Type the Wi-Fi password exactly, including capital letters, and select Next.
5. If asked whether you want the PC to be discoverable on this network, choose Yes for your home network (so you can find printers) and No for public networks.

Checkpoint: the network shows Connected, secured. Open a website to confirm you’re online.

Lesson 2: connect on a Mac

1. Click the Wi-Fi icon in the menu bar at the top of the screen, or open Control Center and click Wi-Fi.
2. If Wi-Fi is off, turn it on.
3. Choose your network and type the password, then click Join.
4. To manage saved networks later, open System Settings > Wi-Fi.

Checkpoint: the Wi-Fi icon in the menu bar shows filled signal bars. Open a website to confirm.

Lesson 3: when it won’t connect

Work through these in order, testing after each step.

1. Check the basics: make sure airplane mode is off and Wi-Fi is on. Some laptops have a Wi-Fi key or switch.
2. Check other devices: if your phone can’t get online either, the problem is the router or internet service, not the laptop. Skip to step 5.
3. Forget and rejoin the network: on Windows, open Settings > Network & internet > Wi-Fi > Manage known networks, select the network and choose Forget, then connect again. On a Mac, open System Settings > Wi-Fi, click the details button next to the network, and choose Forget This Network. Then rejoin with the password.
4. Restart the computer.
5. Restart the router and modem: unplug both, wait about a minute, plug in the modem first, wait for its lights to settle, then plug in the router. Allow a few minutes before testing.
6. Move closer to the router to rule out a weak signal, and keep the router out in the open rather than inside a cupboard.
7. Use the built-in troubleshooters: Windows has network troubleshooting tools (see Microsoft’s page in Official documentation), and on a Mac you can hold Option while clicking the Wi-Fi icon and choose Open Wireless Diagnostics.

Checkpoint: “Connected, no internet” on Windows usually means the router is reachable but the internet beyond it isn’t; restarting the modem and router or contacting your provider is the fix.

Check that it worked

Open your web browser and visit two different websites. If they load, you’re connected. Then put the laptop to sleep and wake it up: it should reconnect on its own if you chose Connect automatically. Next, try web browser basics or connect your printer to the same network.

If something goes wrong

• The password is rejected: check capital letters and similar-looking characters, and confirm the password on the router sticker or with whoever set it up.
• Your network isn’t in the list: move closer to the router, check the router is on, and if it’s a 5 GHz-only name, check that your laptop supports it.
• The connection keeps dropping: install Windows or macOS updates, restart the router, and try the other band if your router shows two names.
• Only one website doesn’t work: the problem is likely that website, not your Wi-Fi.
• Public Wi-Fi asks you to “sign in”: open your browser; a page from the café or hotel should appear where you accept its terms.

If nothing works and other devices can’t connect either, contact your internet provider using the contact details on its official website or your bill.

FAQ

Why does my laptop say “No internet, secured”?

Your laptop is connected to the router, but the router can’t reach the internet. Restart the modem and router; if that doesn’t help, your provider may have an outage.

Is it safe to use public Wi-Fi?

Use websites with secure connections (a padlock in the address bar), avoid banking on unknown networks if you can, and choose No when Windows asks whether to make your PC discoverable.

How do I find my Wi-Fi password?

Look on the router’s sticker if it was never changed. On a Windows computer already connected, the network’s properties can show it to an administrator; on a Mac, the Wi-Fi settings let you copy the password of a saved network.

Should I connect to 2.4 GHz or 5 GHz?

Use 5 GHz when you’re near the router for faster speeds, and 2.4 GHz when you’re further away. Many routers choose automatically.