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Step 1
Move your mouse to the Apple menu when you are setting up Internet and troubleshooting for Mac computer networks. Click on “System Preferences” then choose “Network Settings.”
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Step 2
Go to the “View” menu and choose “Network.” From there, go to “Show” and click on “Built-in Ethernet.”
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Step 3
Use TCPIP to access the Internet. This can be the default; adjust as needed. Use DHCP for most networks.
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Step 4
Assign an IP address manually. Check your router manual to find out how to number your IP address. If the last 3 digits match those in the manual, you don’t have to do anything. If, however, the last 3 digits are different, change them to match those in the router manual.
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Step 5
Click “Apply Now” to apply the information. You are nearly finished setting up the Internet for the Mac. Next, troubleshoot your Mac computer.
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Step 6
Check to see if your connection is correct. If it is not, check your IP address and re-enter it.
