Slow Wi-Fi After macOS Sierra Update? Tips to Fix It

If Wi-Fi has suddenly become too slow to handle after the macOS Sierra update, you must check out these quick tips to speed it up without burning any sweat.

Some of my friends who recently updated their Mac to macOS Sierra have reported that Wi-Fi has become rather slow after the software update. It’s a minor issue which can be easily fixed with a few quick tips.

Have you also faced with the slow WiFi issue after the macOS Sierra update? Follow these tips to speed up the ailing Wi-Fi on your Mac.

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Slow Wi-Fi After macOS Sierra Update

Wi-Fi Running Slow in macOS Sierra Tips to Speed It Up

Solution #1 Quick Round-Up

  • First up, you need to power off the router. (Check out if there is any request for the update.)
  • Turn off Bluetooth and WiFi as well.
  • Reboot your Mac.
  • Once your Mac has restarted, power on the router and turn on Wi-Fi.

Solution #2 De-Select Proxies

Step #1. Head over to System Preferences.

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Click on System Preferences in macOS Sierra

Step #2. Click on Network.

Click on Network on Mac

Step #3. Click on Advanced.

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Click on Advanced in Mac Network Settings

Step #4. Click on Proxies Tab → Now, you have to uncheck the box ticked under Select Protocol → Click on OK followed by Apply.

Uncheck Protocols in Mac Network Settings

Solution #3 Reset Network to Default

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Resetting network configuration to factory setting on your Mac can help you fix the slow-moving Wi-Fi.

Step #1. Turn off WiFi. Then, you need to unplug network connection.

Step #2. In Finder on your Mac Click GO type path:  /Library/Preferences/SystemConfiguration

Click on Go To Folder in Finder on MacGo To SystemConfiguration Folder on Mac

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Step #3. Then, you have to rename  preferences.plist  to  preferences.plist.bak

Rename preferences.plist on Mac

Step #4. Reboot your Mac.

Now, a new preferences.plist will be created and the network configuration will be reset to factory default.

Solution #4 Remove the existing Wi-Fi preferences

If the first two solutions haven’t worked in fixing the problem, remove the existing Wi-Fi preferences. As it will get rid of system configuration files, you must back up your Mac before going ahead with the process.

Step #1. To begin with, quit the apps in question.

Step #2. Next, you have to turn off the troubled apps using the WiFi menu. Then, turn off Wi-Fi as well.

Step #3. Now, open the Go folder and choose Go to folder.

Step #4. Next, you have to enter: /Library/Preferences/SystemConfiguration/

Step #5. Up next, you have to select the files mentioned below.

com.apple.airport.preferences.plist
com.apple.network.eapolclient.configuration.plist
com.apple.wifi.message-tracer.plist
NetworkInterfaces.plist
preferences.plist

Delete All Network Files on Mac

Step #6. Next, delete these files by simply moving them to the trash. Just in case, you don’t want to remove them, you can keep them in a separate folder.

Step #7. Next, you need to reboot your Mac. Once, it has been restarted, turn on Wi-Fi again and the apps from the Wi-Fi menu.

Check out! WiFi should start working properly.

That’s done!

macOS Sierra with smart features such as Auto-Unlock and Universal Clipboard is inarguably the biggest ever update. I’m sure you must be loving it a lot.

Do you have any tips to speed up WiFi in macOS Sierra? We would be really glad to know them in the comment on Facebook, Twitter, and Google Plus. Also, make sure to download our app on your iPhone and iPad.

Dhvanesh Adhiyahttps://www.igeeksblog.com
Dhvanesh Adhiya is our editor-in-chief and reviewer who takes care of iGeeksBlog.com. He is passionate for wonderful apps that change the way your iPhone interacts in your life.

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