Home Tips & Tricks Fix Wi-Fi connection problem in OS X El Capitan, Yosemite on MacBooks

Fix Wi-Fi connection problem in OS X El Capitan, Yosemite on MacBooks

Fix OS X El Capitan and Yosemite Wifi problemWiFi does not work well on your MacBooks? Look at following simple solution to fix Wi-Fi connection problems in OS X (El Capitan and Yosemite) via Terminal.

At for the new MacOS Sierra, you may want to visit this topic: MACOS SIERRA PROBLEM: SLOW WIFI – WIFI NOT WORKING [FIX]

In a particular case that you can not access to a WiFi network even using the right password which has not been changed since you previously connected successfully, follow the below solution to fix:

Go to System Preferences > NetWork > Click on “Advanced…” button > Select the WiFi network in trouble > Click on (-) button to remove it from the Wifi list recorded > then attempt to reconnect again.

Delete Wifi network then reconnect to fix wifi problem on Macbook

Otherwise, Whatever the your WiFi issue is, you probably can fix the problem through a simple command line in Terminal:

  • Find Launch Terminal (by pressing  Command + Space keyboards then type “Terminal”) and paste the following command then Enter.

sudo ifconfig awdl0 down

Fix wifi problem in OS X El capitan

  • Fill the user password (Mac OS X user password, not Wifi password) > Enter.

This tip might not work on all circumstance because many Mac users complained they had Wi-Fi bug related to a failing AirDrop file during transmission or when the connection is slow. Hopefully Apple will solve this problem in OS X El Capitan when it is released officially.

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6 years ago

It helped! Thanks!

Bran Lika
Bran Lika
5 years ago

Or, try this.

Simple and perfect solution for my Macbook Pro (2009) with only 4GB of RAM:


After resetting SMC, the internet is flying. No more overheating with fans running during heavier usage (Skype for example), or with few apps open at the same time.

Laura Burton
Laura Burton
4 years ago

Nice solution. Thanks.

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