Technical resolution to OS X El Capitan Wi-Fi issues

Be it Max OS X Yesomite, OS X El Capitan, macOS Sierra, or any other previous Mac version, they are badly suffered with Wi-Fi issues. Although Apple has largely resolved various wi-fi issues persisted in some Macs, yet OS X El Capitan users are, still, likely to encounter wireless networking issues after they updated to the latest OS X release. Basically, Wi-Fi issues belong to dropping connections and slow speeds. In case, you face major or minor OS X El Capitan Wi-Fi issues, you can simply dial a toll-free Apple OS X technical support phone number.


Generally, ditching old preference files, network location creation with custom DNS settings, and an MTU change can instantly help you get rid of wi-fi problems with Apple Mac OS X. Before you start deleting a few system level preference files and creating a new network location, it will be good for you if you can take a backup of the Mac to save your valuable data from being lost. After this, move to the following suggestions from Apple technical support professionals. These include:

Trash Existing Wi-Fi Preferences

  • Make a new folder on your Desktop with reference to ‘wifi prefs backup’.
  • In the upper right corner of OS X, turn off Wi-Fi from the menu item.
  • Then, move to Finder and hit Command+Shift+G and select the following path (/Library/Preferences/SystemConfiguration/) to bring up the Go to Folder command.
  • Locate and select the following files in the folder:;; NetworkInterfaces.plist; and preferences.plist.
  • Move all of these files into the folder which is related to ‘wifi prefs backup’.
  • Reboot the Mac and turn on Wi-Fi.

It is likely that these steps will make things happen without making you opt for Mac technical support for OS X El Capitan Wi-Fi. If not, it is possible that you need to create a new custom network location.

Creating Wi-Fi Network Location with Custom DNS

  • Quit all open apps and browsers using wi-fi or networking.
  • Then, go to the Apple menu and choose “System Preferences.”
  • Select the “Network” control panel and Wi-Fi from the list respectively.
  • Tap on the “Location” menu and choose “Edit Locations.” In order to create a new location, tap on the [+] plus button and give it a new name before you click “Done” to add it.
  • Then, join the wi-fi network next to “Network Name” and validate it with the router password.
  • After this, choose the “Advanced” button in Network preferences and go to the “TCP/ IP” tab. Then, select “Renew DHCP Lease.”
  • Now, move to the “DNS” tab, and tap on the [+] plus button on the “DNS Servers” list to include a new DNS server.
  • After this, select the “Hardware” tab and select “Manually.”
  • Alter “MTU” to “Custom” and set the MTU number to 1453 before you click on “OK.”
  • At last, select the “Apply” button to set network changes.

These support steps for Mac OS X El Capitan WiFi will help you resolve all networking issues.

If not, you better ask Apple professionals for resolving networking issues on Mac OSX.

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