How to Connect a Desktop, Laptop, or Mac to Wi-Fi

To connect a computer to Wi-Fi, select the network name, enter its password, and choose whether Windows or macOS should remember it. A desktop also needs a working Wi-Fi adapter; an Ethernet port alone does not provide wireless connectivity.

Connect to Wi-Fi in Windows 11 or Windows 10

1. Select the network, sound, or battery area at the right side of the taskbar.
2. Make sure Wi-Fi is on and Airplane mode is off.
3. Open the list of available networks and select the correct SSID.
4. Select Connect, enter the security key, and choose Next.
5. Choose the network profile carefully. Use Public for cafés, hotels, and other untrusted networks; use Private only on a network you trust and need to share devices on.

You can also open Settings > Network & internet > Wi-Fi > Show available networks. Manufacturer-specific Fn shortcuts can enable or disable the wireless radio, but the key varies by model.

Connect a Mac to Wi-Fi

1. Open Control Center in the menu bar and select Wi-Fi.
2. Turn Wi-Fi on and choose the network.
3. Enter the password and select Join.

For advanced settings, open System Settings > Wi-Fi. If the network is hidden, choose the option to join another network and enter its exact name, security type, and password. Hiding an SSID is not a meaningful security substitute for WPA2 or WPA3.

Connect a desktop without built-in Wi-Fi

Check Device Manager in Windows or System Information on macOS for a wireless adapter. If none exists, use a compatible internal PCIe adapter or USB Wi-Fi adapter with official drivers. Position antennas clear of the metal case. An Ethernet cable provides a wired network connection; it does not turn the computer into a Wi-Fi client.

If the network is missing

• Confirm Wi-Fi is enabled on the computer and router.
• Move closer to the access point and refresh the list.
• Restart the computer, then power-cycle the router only if you administer it and other users can tolerate the interruption.
• Check whether the adapter supports the router's frequency band and security mode.
• Update the wireless driver from Windows Update or the computer/adapter maker's official site.

If the password is rejected

Passwords are case-sensitive. Verify that you chose the right network and keyboard layout. In Windows, open Settings > Network & internet > Wi-Fi > Manage known networks, select the network, choose Forget, and reconnect. On macOS, open the network's details and forget it before joining again.

Connected to Wi-Fi but no internet

1. Test another website and another device on the same network.
2. Turn off any VPN or proxy temporarily if policy allows.
3. Disconnect and reconnect, then restart the computer.
4. Use automatic IP and DNS settings unless the network administrator supplied fixed values.
5. If every device is offline, check the router's internet status or contact the provider.

Do not assign a random static IP or “Class A to C” address; it can create conflicts and does not fix an ISP outage. Follow this Wi-Fi connected but no internet guide for deeper checks.

Improve a weak signal

Reduce distance and obstructions, reposition the router and antennas, and compare 2.4 GHz with 5 GHz or 6 GHz where supported. Lower frequencies often travel farther; higher bands may provide more capacity at shorter range. For persistent dead zones, see ways to improve Wi-Fi coverage.

Public Wi-Fi precautions

Confirm the network name with the venue, keep file sharing off, prefer encrypted websites, and avoid ignoring certificate warnings. A VPN can protect traffic from local observers but does not make fraudulent sites safe.