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How to Fix ‘Mac Wi-Fi Connected But Not Working’ Issue – Guide
We’ve all experienced this at one time or another. Months of easy connections and fast streaming speeds through your home Wi-Fi connection and suddenly your Mac just won’t connect. There are many variables that affect why your Wi-Fi connection is turned off, from the hardware on your home or computer, for software on your computer, for problems that are completely out of your hands and come from your service provider.
Here is a list of things you can do to narrow down the list of possible culprits and come back up and running.
How to Fix Wi-Fi that doesn’t work on Mac
Run wireless diagnosticsOption + click on the Wi-Fi icon in the upper right corner.Click on Open Wireless Diagnostics…
Reset Wi-Fi network settingsTurn off Wi-Fi and close your browsersOpen Finder -> Go -> Go to Folder..Paste in the following line: / Library / Preferences / SystemConfiguration /Select the files listed belowpreferences.plistcom.apple.wifi.message-tracer.plistcom.apple.network.eapolclient.configuration.plistcom.apple.airport.preferences.plistNetworkInterfaces.plistMove these files to a new folder on your desktop.restart your mac
Wi-Fi does not turn on after standby on MacGo to System Preferences -> Battery -> Power Adapter.Disable the option “Wake for network access” s.
Clear DNS cacheDownload DNS Flusher (is integrated with CleanMyMac X)Go to the Maintenance tab and check Release DNS cache.
Restart your Wi-Fi routerTurn off the router and wait a minute or two. This way you’ll know if your Mac won’t connect to Wi-Fi due to router issues. Connect the router again and try to connect other Wi-Fi devices in the room.
Turn off BluetoothGo to Apple menu -> System Preferences.Select Bluetooth.Then click Turn off Bluetooth.
Update your router firmwareGo to Applications.Type Airport Utility into the search bar.You will see your airport’s base station. If you see a red notification badge next to the base name, click on it for more details. If the update is available, the app will show the update. button.
Customize MTU and DNS settings to fix Wi-Fi on MacGo to System Preferences -> Network.Select Wi-Fi on the left panel.See the Location menu at the top.Click Edit Locations…Now create a new location by clicking on the [+] most button. Name it what you like. Click Done.Then choose your default Wi-Fi connection in Network nameClick on AdvancedGo to the TCP/IP tab and click Renew DHCP Lease.Go to the DNS tab and clicking on [+] buttons, enter 22.214.171.124 and 126.96.36.199 as IP addresses, each on a separate line. These two are Google’s alternate DNS servers that the company recommends using – they’re secure. But before doing that, make sure you copy your current DNS address onto a piece of paper.Go to the Hardware tab from the previous step.From the Configure drop-down menu, select Manually.Click MTU and set the custom size to 1453.Click OK.
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