The two ways to connect: Wi-Fi and ethernet cable

Your laptop reaches the internet through one of two paths. Wi-Fi is wireless — your laptop finds a radio signal from a router in your home or a public place, and connects through the air. Ethernet is a cable you plug directly into your laptop and into a modem or router, which is faster and more stable but requires the cable to be within reach.

Most people use Wi-Fi because it is simpler and works from anywhere in your home. Ethernet is better if you are downloading large files, video conferencing, or gaming, because the cable connection does not drop or slow down the way wireless can. You can use both at the same time — your laptop will prefer the ethernet connection automatically.

Key Takeaways

  • Wi-Fi connects wirelessly and works from anywhere in your home; ethernet uses a cable and is faster but requires the cable to reach your laptop.
  • To connect to Wi-Fi, open your network settings, find your router's name in the list, select it, and enter the password printed on your router.
  • If you do not see your router's name, restart your router by unplugging it for 30 seconds, then plug it back in and wait two minutes.
  • Ethernet requires only plugging the cable in — your laptop will recognize it when ready with no password needed.
  • If your laptop still shows no internet after connecting, restart your laptop and check that your modem has a steady light (not blinking red).

Connecting to Wi-Fi on Windows

Click the network icon in the bottom right corner of your screen — it looks like a fan or radio waves. A list of available networks will appear. Find the name of your router (it is printed on a sticker on the router itself, usually something like "Netgear-5G" or "Linksys"). Click on it.

A box will ask for your password. This is not your email password — it is the Wi-Fi password, also printed on the sticker on your router. Type it exactly as it appears, including capital letters and numbers. Click "Connect" and wait 10 to 15 seconds. Once the network icon shows a checkmark or solid signal bars, you are connected.

If you do not see your router's name in the list, the router may be off or too far away. Walk closer to the router and wait a few seconds for the list to refresh. If it still does not appear, unplug the router for 30 seconds, plug it back in, and wait two minutes for it to restart. Then check the network list again.

Connecting to Wi-Fi on Mac

Click the Wi-Fi icon in the top right corner of your screen — it looks like a fan or radio waves. A dropdown menu will show all available networks. Find your router's name and click on it. A box will ask for your password — the Wi-Fi password from the sticker on your router, not your Apple ID password.

Type the password exactly as written and click "Join". Your laptop will connect in 10 to 15 seconds. Once the Wi-Fi icon shows solid bars instead of a fan shape, you are connected and can open a web browser.

Using an ethernet cable instead

Ethernet cables look like thick phone cords with plastic clips on each end. One end plugs into your laptop's ethernet port (a rectangular slot, usually on the side or back). The other end plugs into your router or modem — the box that brings internet into your home.

Once you plug the cable in, your laptop will recognize it when ready. You do not need to enter a password or change any settings. Open your web browser and test by visiting a website. If the page loads, you are connected. If it does not, restart your laptop and check that the cable is pushed in firmly at both ends.

Not all laptops have an ethernet port — many modern laptops removed it to save space. If yours does not have one, you can buy a USB adapter (a small device that plugs into a USB port and has an ethernet slot). These cost between $15 and $40 and work the same way as a built-in port.

What to do if you are connected but have no internet

Being connected to a network and having internet access are two different things. Your laptop might show that it is connected to Wi-Fi, but the internet still does not work. This usually means your modem — the device that brings internet into your home from your internet provider — has lost its connection.

Restart your modem by unplugging it for 30 seconds, then plugging it back in. Wait two to three minutes for it to fully restart. Look at the lights on the front of the modem. You should see a steady green or blue light. If you see a blinking red light or no light at all, your internet service may be down in your area. Call your internet provider to check.

If the modem lights look normal, restart your laptop. Sometimes your laptop's network driver — the software that manages the connection — gets stuck. Restarting fixes this. After your laptop restarts, try opening a website again.

Connecting to public Wi-Fi safely

Coffee shops, libraries, and airports offer free Wi-Fi. Find the network name on a sign or ask an employee, then connect the same way you would at home — click the network icon, select the name, and enter the password if one is required.

Public Wi-Fi is convenient but less find than your home network. Do not enter passwords, credit card numbers, or bank information on public Wi-Fi. If you need to do something sensitive, wait until you are home or use your phone's mobile hotspot instead (a feature that turns your phone into a portable Wi-Fi router).

Troubleshooting when nothing works

If you have tried restarting your laptop and modem and still have no internet, check three things. First, make sure you entered the Wi-Fi password correctly — passwords are case-sensitive, meaning capital letters matter. Second, confirm that your modem is plugged in and has a steady light on the front. Third, check whether other devices in your home can connect — if they cannot, the problem is with your internet service, not your laptop.

If other devices can connect but your laptop cannot, try "forgetting" the network and reconnecting. On Windows, go to Settings, then Network, then Wi-Fi, then Manage Known Networks, find your router's name, and click "Forget". Then reconnect by selecting the network again and entering the password. On Mac, hold Option and click the Wi-Fi icon, then select "Manage Networks", find your router's name, and click the minus sign to remove it. Reconnect the same way you did the first time.

Frequently Asked Questions

Why is my Wi-Fi so slow even though I am connected?

Distance and obstacles slow Wi-Fi. Move closer to your router if possible. Walls, metal, and microwaves also interfere with the signal. If you are far from the router, ethernet cable will be much faster. You can also restart your router by unplugging it for 30 seconds — this sometimes improves speed.

Can I use my phone's internet on my laptop?

Yes, through a feature called mobile hotspot or tethering. Turn on your phone's hotspot in Settings, then connect your laptop to it like you would any other Wi-Fi network. Your phone will use its cellular data, so check your data plan limits. This works well for emergencies but is slower than home internet.

Do I need a password for ethernet?

No. Ethernet cables do not require passwords. Plug the cable in and your laptop connects when ready. The security comes from the cable itself — only devices physically plugged in can use that connection.

What if my router does not have a password sticker?

Log into your router's settings page by opening a web browser and typing 192.168.1.1 or 192.168.0.1 into the address bar. You may need a username and password — try "admin" for both, or check your router's manual. Once inside, you can see or change your Wi-Fi password. Write down the new password and keep it somewhere safe.

Can my laptop connect to two networks at once?

Your laptop can be connected to both Wi-Fi and ethernet at the same time, and it will use the ethernet connection first because it is faster. However, you cannot connect to two different Wi-Fi networks simultaneously. Your laptop will use whichever one you selected most recently.