Removing these cache files is helpful when your Wi-Fi slows down at random, or you can’t access certain websites. Flush DNS cacheĪnother way to fix Mac Wi-Fi not working is to flush your DNS cache. DNS service helps your Mac find IP-addresses, much like in a phone book. Did it do the trick? If not, let’s move on to the next step. Disable the "Wake for network access"s option.Ĭheck your Wi-Fi now (cross your fingers).Go to System Preferences -> Battery -> Power Adapter.Try this simple fix which many users found helpful: In some cases, sleep mode settings are why your Wi-Fi drops off on Mac and wouldn’t turn on again. Wi-Fi won't turn on after sleep mode on Mac If the issue persists, you may consider clean installing macOS Catalina. The path above proved to be a good remedy when the Wi-Fi connection drops off after upgrading to the latest macOS. Turn Wi-Fi on and select your Wi-Fi network again. Now you will have to revisit Wi-Fi preferences (Click Open Network Preferences under Wi-Fi icon). Move these files to a new folder on your Desktop. Select the files listed below (as shown in the screenshot) Library/Preferences/SystemConfiguration/Ĥ. Turn off Wi-Fi and close shut down your browsers.
But before you begin, we seriously recommend backing your Mac up using Time Machine. This step will reconfigure your existing Wi-Fi settings and launch your network experience from scratch. Option +click the Wi-Fi icon in the top right corner.To troubleshoot Wi-Fi problems on Mac, it’s good to start with native tools that came with your OS.
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