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Use Wi-Fi
Learn how to connect to an open, secure, or hidden Wi-Fi network. You can also create a new Wi-Fi network.
Connect your device to your Mac using a USB or USB-C cable. In the Finder on your Mac, select the device in the Finder sidebar. Select General in the button bar. Select the checkbox for “Show this device when on Wi-Fi.” Use the button bar to turn on and select sync settings. Click Apply and your device appears via Wi-Fi in the Finder sidebar.
- Realtek RTL8187L USB (such as the Alfa AWUS036H, which does not work on Mac OS 10.6.7 or later) Create your perfect WiFi network If you are in search of tools that can help you build a perfect wireless network environment, take a look at such WiFi heatmapper as NetSpot.
- This page covers USB, ethernet, PCI, and other WiFi hardware that is compatible with the Classic Mac OS. A few of these devices are compatible with Mac OS 8.6; all of them are reported to work with Mac OS 9, and most also have drivers available for some versions of Mac OS X.
- Our 802.11n Wi-Fi USB adapter for Apple Mac is a wireless mini wireless USB adapter specially developed for Mac OS. It is compatible with: OS 10.4 Tiger OS 10.5 Leopard OS 10.6 Snow Leopard OS 10.7 Lion OS 10.8 Mountain Lion OS 10.9 Mavericks OS 10.10 Yosemite OS 10.11 El Capitan OS 10.12 Sierra OS 10.13 High Sierra OS 10.14 Mojave.
- This page covers USB, ethernet, PCI, and other WiFi hardware that is compatible with the Classic Mac OS. A few of these devices are compatible with Mac OS 8.6; all of them are reported to work with Mac OS 9, and most also have drivers available for some versions of Mac OS X.
Connect to a Wi-Fi network
Click in the menu bar, then choose a network. If Wi-Fi is off, click , then select Turn Wi-Fi On.*
If you connect to a public Wi-Fi network, a window might appear with terms and conditions you're asked to agree to before you can connect.
Connect to a secure Wi-Fi network
Secure Wi-Fi networks are password-protected and have by their names.
- Click in the menu bar. If Wi-Fi is off, click , then choose Turn Wi-Fi On.*
- Choose a network.
- Enter the password, then click Join. If you don't know the password to the Wi-Fi network, contact the network administrator.
Connect to a hidden network
- Click in the menu bar. If Wi-Fi is off, choose , then choose Turn Wi-Fi On.*
- Choose Join Other Network.
- Enter the network name. Make sure you enter the network name correctly.
- If the network is secure, choose the Security type, then enter the password.
- Click Join.
Learn what to do if you can't connect to a hidden network.
Create a Wi-Fi network
If you have Internet service at your location, you can connect an AirPort base station or a third-party router to your modem to create a Wi-Fi network. Use the setup guide for your AirPort base station, or check your third-party router's manual for help.
* If you don't see the Wi-Fi icon in the menu bar, you can add it back. Choose Apple () menu > System Preferences, click Network, click Wi-Fi, then select 'Show Wi-Fi status in menu bar'.
Use Personal Hotspot
With most carrier plans, you can share the cellular data connection of your iPhone or iPad (Wi-Fi + Cellular) with your Mac.
Learn how to set up Personal Hotspot.
Use Ethernet
To connect to the Internet over a wired connection, connect an Ethernet cable between your router or modem and the Ethernet port on your Mac.
Some Macs require an Ethernet adapter like the Belkin USB-C to Gigabit Ethernet Adapter, or the Apple Thunderbolt to Gigabit Ethernet Adapter.
Learn more
- Use recommended settings for Wi-Fi routers and access points.
USB port types and names
USB (Universal Serial Bus) is an industry standard for connecting computers and other devices. It's available with many types of ports, and each type has a unique shape. On Mac computers, USB is available with these ports, depending on your Mac model:
USB-A
Type USB-A ports are commonly called USB, USB 2, or USB 3 ports, depending on the USB specification they support. They aren't reversible, so a USB-A connector plugs into the port only when oriented correctly.
USB-C
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Type USB-C ports are available as either standard USB-C ports or Thunderbolt 3 ports that also support USB-C connections. They both look the same, and the connector plugs into the port in either orientation.
Learn more about identifying the ports on your Mac, as well as the adapters and cables you can use to connect older devices to type USB-C ports.
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USB specifications
USB specifications are important primarily when you want the most speed and power for your USB device, or your device needs more power or is using too much power. Every USB port supports a particular USB specification, which determines the port's maximum>USB specifications on MacData transferPowerUSB 3.1 Gen 2
Also known as USB 3.2 Gen 2
Up to 10 GbpsUp to 15W at 5VUSB 3.1 Gen 1
Also known as USB 3.2 Gen 1 or USB 3
Up to 5 GbpsUp to 900 mA at 5VUSB 2.0
Up to 480 MbpsUp to 500 mA at 5VUSB 1.1
Up to 12 MbpsUp to 500 mA at 5V
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To learn which specification is supported by a type USB-A or type USB-C port on your Mac model:
- Choose Apple menu > About This Mac, click Support, then click Specifications.
- Check the System Information app for more details, including about USB devices connected to USB ports on your Mac. Select USB in the sidebar, then select a USB bus on the right.
Get the best performance from your USB devices
USB specifications all work with each other, but speed and power are limited by the cable or device that uses the earliest specification. For example, if you connect a USB 3 device to USB 2 port, your device is limited to USB 2 speeds, and it can't draw more power from the port than can be delivered over USB 2. In other words, to get the best performance, make sure that the USB port on your Mac and the USB cable to your device meet or exceed the USB specification of the device itself.
If your Mac doesn't recognize a USB device after you plug it into your Mac:
- Check all connections: Unplug the device from your Mac, then plug it back in, and make sure that all cables and adapters are securely connected at both ends. Test with another cable or adapter, if available.
- Plug the device directly into your Mac instead of a USB hub or other device, and if necessary test with a different USB port on your Mac or device.
- Some devices need their own software, such as drivers or firmware. Others work without additional software. Check with the maker of your device, and install all available Apple software updates as well.
- If your device came with an AC power adapter, use it. Some devices can be powered by the USB port on your Mac. Others need more power than your Mac can provide.
- Restart your Mac.
Learn more
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- USB 3 devices can create wireless interference that affects Wi-Fi and Bluetooth devices. Learn how to resolve Wi-Fi and Bluetooth issues caused by wireless interference.
- Mac notebook computers with USB-C or Thunderbolt 3 can charge over that port using a compatible USB-C power adapter and cable.