Connect to Wi-Fi
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You can use the Wi-Fi menu to quickly connect to a nearby wireless network.
- Click the Wi-Fi icon ( or ) in the menu bar.
- If Wi-Fi is off, choose 'Turn Wi-Fi on.'
- Select a nearby Wi-Fi network from the list.
If you don't see your network listed, make sure it's nearby and that others can connect to it. It could also be a 'hidden' network. You can connect to a hidden network by choosing 'Join other network' and entering the name of the network you're trying to use.
The strength of each nearby network is shown next to its name. More darkened bars indicate a stronger network connection.
Enter your password
Networks that have a lock icon next to their name require a password. After you select your network, enter the network password when you're prompted. If you don't know the network password, check with the owner of the Wi-Fi network you're trying to join.
Use a cellular device as your Wi-Fi connection
Depending on your cellular plan, your iPhone or iPad with cellular can share its Internet connection with your Mac. When your iOS device is configured properly and is near your Mac, it appears in the Wi-Fi menu as an available connection.
When you select a cellular device as your Internet connection, the menu icon changes to indicate your Mac is currently linked to the device ( ).
Turn Wi-Fi on or off
If you're in an environment where Wi-Fi isn't permitted (like on some airline flights) you can quickly turn off Wi-Fi from this menu.
- Click the Wi-Fi icon in the menu bar.
- Choose 'Turn Wi-Fi off.'
When Wi-Fi is turned off, the menu icon changes to and empty indicator ( ). When you're ready to use Wi-Fi again, click the menu icon and choose 'Turn Wi-Fi on.' Then connect to the network you want to join if your Mac doesn't join it automatically.
If you don't see the Wi-Fi menu
You can enable and disable the Wi-Fi menu from the Network pane of System Preferences.
- From the Apple menu, choose System Preferences.
- Click Network in the System Preferences window.
- Select Wi-Fi in the list of available network connections.
- Select (check) the option to 'Show Wi-Fi status in menu bar.'
Create a network
If you want to create a temporary Wi-Fi connection between your Mac and another device, you can create your own network from the Wi-Fi menu.
- Click the Wi-Fi menu and choose Create Network.
- Enter the details for your network, such as a network name and channel
When you create a computer-to-computer network, the menu icon changes to show a computer (). When you're done, click the Wi-Fi menu again and choose Disconnect to close the network you created.
macOS includes an application called Network Utility. This means that you do not need to download or install this app. This app provides a variety of handy networking tools and details. You can use this tool for variety of purposes, from troubleshooting a connection to looking up information.
How to find Network Utility:
There are two ways to open Network Utility.
The official path for the app is:
/System/Library/CoreServices/Applications
To open this folder, go to Finder, and click Go and Go To Folder and enter the path above and hit Go:
And then click Network Utility
If you are running an older version of macOS (OS X Mountain Lion, Lion, and Snow Leopard), then go to Finder> Applications > Utilities.
You can also open Spotlight by pressing Command-Space bar and type Network Utility to search and launch this app.
Network Utility lets you view information about your network connections:
The followings are the tools included in Network Utility.
Netstat: This means Network Statistics. You can use this tool to display very detailed information about all the active network connections (incoming and outgoing) on your Mac.
There are four options here and they are:
- Display routing table information
- Display comprehensive network statistics for each protocol
- Display multicast information
- Display the state of all current socket connections
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You need to select one, and then click the blue “Netstat” button:
Ping: This tool lets you test the reachability of your Mac on an Internet Protocol (IP) network.
You need to enter an IP number (like 10.0.2.1) or URL (like macreports.com). You have also the option of sending only a selected number (like 10) of pings or unlimited number of pings. And then click the yellow Ping button:
Lookup: This tool will let you test your DNS server. Simply enter an Internet address and then click Lookup.
Traceroute: This will let you trace network traffic paths.
Simply enter the IP address or domain name and click Trace. It may take up to a minute for the results.
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Whois: You check a domain’s whois information. This will let you review the ownership and tenure of a domain name. So you can review who registered and owns a domain name, including their contact information. Simply enter a domain name address and and then select a whois server to search. Then click Whois.
Finger: You can use this to find information about computer users. Simply enter a username and domain address to do this test:
Port Scan: This tool will let you check for open TCP/IP ports, ports 1 through 65535. Simply enter an Internet address to do this test:
Your Mac’s Network Utility is a basic but offers handy networking tools.