Fix Slow WiFi connection on Mac OS X: iMac, MacBook

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Resolve Slow WiFi connection problem on macOS Catalina 10.15 System by following troubleshooting guide from here. For OS X Yosemite, EI Capitan or later.

In the whole world no one can endure against slow internet connection, are you one of them? Right. So I decided to help in the best way on Slow WiFi connection problem with your Mac, MacBook or iMac and Mac Mini.

So first analyze your situations and the exact reason for low WiFi network connectivity. Because you might be experienced due to Router problem, Low bandwidth from internet service provider, Internal browser problem (Last time OS X Update created the problem on Safari).

Common reasons for a low WiFi connection

Misconfigured, Low Hardware profile router make problem on your Speed of internet data over the air. Here we have the best option as a Router for Mac. Misconfiguration can be resolved by resetting it.

Check speed test on a different device, Through iOS app (SpeedTest). Or On Browser website: speedtest.net, Problem is there then contact your internet service provider.

Try to surf with Google Chrome (Best one), Safari, Mozilla as an Alternate browser for Mac OS X Especially.

Troubleshooting steps for Poor/ Slow WiFi connection on macOS Mojave

Right after checking above Three steps, Still are you acquiring Slow WiFi connection or network, Then must go to forwards ways. Best Of Luck!

Stuck with Network interface system files: Most of the OS X

your first attempt should be reset network preference files, by deleting it from Mac system. Turn off WiFi from the menu item.

Open Finder on Mac, Go to Go > Go to The Folder. Copy below folder path like and move. Slow WiFi connection on Mac OS X MacBook

/Library/Preferences/SystemConfiguration/ Move to Preference file on Mac

Find below files (plist) and move to another place as a backup on desktop.

preferences.plist

NetworkInterfaces.plist

com.apple.wifi.message-tracer.plist

com.apple.airport.preferences.plist

com.apple.network.identification.plist

restart or Reboot your Mac. Network File on System Preference

Reset SMC – System Management Controller

Shut down your MacBook. Connect with power supply (Power supply required during reset).

Press Shift + Control + Option at the same time and Start Mac from power button at the same time. And release after a few seconds. Your MacBook will reboot reset all the System Configuration.

Read more about SMC apple guide for your model.

More suggestion on solving Slow WiFi connection MacBook might be fixed with Create a new network of network settings in your case. But not helpful in my case.

Thanks, and welcome any suggestion on Poor/Slow WiFi connection. Share with us in our discussion section.

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