Mac Won'T Connect To Wi-Fi: Troubleshooting Guide

Summary

This guide helps you troubleshoot and resolve: Mac Won'T Connect To Wi-Fi: Troubleshooting Guide. Follow the steps below to fix the issue.

Common Causes

If your Mac is unable to connect to a Wi-Fi network or keeps dropping the connection, the issue is often related to network settings, outdated preferences, or router compatibility. This guide walks you through the steps to reset your wireless configuration and restore stable connectivity on macOS.

Quick Fix Steps

1. Restart your Mac and your wireless router.
2. Toggle Wi-Fi off and back on via the menu bar.
3. Move closer to the router to rule out signal interference.
4. Check if other devices can connect to the same network.

Detailed Instructions

Check for macOS Updates

1. Click the Apple menu and select System Settings.
2. Click General in the sidebar, then select Software Update.
3. If an update is available, click Update Now and follow the prompts to install it.
4. Restart your Mac if required and test your Wi-Fi connection.

Forget and Rejoin the Network

1. Click the Apple menu and select System Settings.
2. In the sidebar, click Wi-Fi.
3. Locate your network in the list and click the Details button next to it.
4. Click Remove From This Network and confirm the action.
5. Select your network from the list again, enter your password, and click Join.

Renew the DHCP Lease

1. Open System Settings and navigate to Wi-Fi.
2. Click Details next to your connected network.
3. Select TCP/IP from the sidebar.
4. Click Renew DHCP Lease.

Create a New Network Location

1. Open System Settings and click Network in the sidebar.
2. Click the Location dropdown menu at the top of the window.
3. Select Edit Locations.
4. Click the plus (+) button to create a new location.
5. Enter a name for the location and click Done.
6. Click Apply to switch to the new network profile.

Troubleshooting

Check DNS Configuration

1. Open System Settings and go to Wi-Fi.
2. Click Details next to your network.
3. Select DNS from the sidebar.
4. Click the plus (+) button and enter 8.8.8.8 or 1.1.1.1.
5. Click OK and test your connection.

Delete Network Preference Files

1. Open Finder and click Go in the menu bar.
2. Hold the Option key and click Library.
3. Navigate to Preferences/SystemConfiguration/.
4. Locate and move the following files to the Trash:
   • com.apple.airport.preferences.plist
   • com.apple.network.eapolclient.configuration.plist
   • com.apple.wifi.message-tracer.plist
   • NetworkInterfaces.plist
   • preferences.plist
5. Restart your Mac to allow macOS to regenerate these files.

Deleting preference files will remove saved Wi-Fi passwords. Ensure you have your network credentials handy before proceeding.

If your Mac is managed by your organisation, some network settings may be restricted. Contact your IT administrator before making system-level changes.

If you have completed these steps and your Mac still cannot connect to Wi-Fi, please Open a Ticket for further assistance from our Brisbane support team.

If you host with us, you don't need to do this yourself — just Open a Ticket and our Brisbane team will get it sorted.

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