In this article we have discussed about the OS X EI Capitan and how to fix Wi-Fi issue in OS X El Capitan. We have explained how to delete system level preferences and create a new Wi-Fi location to resolve Wi-Fi issue.
A recent update to Mac OS X is on the market and there are various bugs reported by Mac users. The most common and important bug I noticed is the Wi Fi issue with Mac OS X El Capitan. OS X EI Capitan is the successor of OS X Yosemite with some added features and mainly focuses on security, stability and performance. According to Apple Inc, the opening of PDFs, switching of apps, viewing messages and launching apps in OS X EI Capitan is much faster compared to OS X Yosemite.
Wi-Fi Issues in Mac OS X EI Capitan
Mac users with OS X EI Capitan may encounter Wi-Fi issues such as Wi-Fi may not work, slow internet speed or dropping connections. You can easily resolve your Wi-Fi problem by deleting some system level preferences and creating a new Network Location with DNS settings. This process may have multiple steps but is not difficult. However, before proceeding for any deletion or creation you should take a complete backup of the Mac OS X EI Capitan.
How to Fix Wi-Fi Issue in OS X El Capitan?
Sometimes the Wi-Fi problem can be resolved by following some simple steps.
- Turn Off the Router and Turn it On after some times (approx. 30 sec)
- Restart your computer
- Click on Safari and then Click on Preferences
- Click on Advance and select Show Develop menu in menu bar
- In Develop menu bar, Click on Develop and then click on Empty Caches
- Restart your Mac and check whether your problem has been resolved or not.
If still you are facing the same Wi-Fi problems then you need to delete system level preferences. You can delete the System levelpPreferences and fix your Wi-Fi problems by following these steps:
Delete System Level Preferences
Step 1: Create a
New Folder on your Mac to backup your existing Wi-Fi Preferences.
Step 2:
Turn Off your Wi-Fi connection from the upper right side menu
Step 3: Open the
Finder from Dock and then press
Command, Shift and G simultaneously to get Go to Folder Command. Select the Path appearing on your screen.
Step 4: Click on
Return to go back to the folder, where you can select below mentioned files.
Step 5: Select the above highlighted files.
Step 6: Move selected files into the folder that you have created in Step 1.
Note: You can also delete these files, if you are confident that you have a backup.
Step 7: Restart your Mac and Turn on the Wi-Fi from the Wi-Fi menu present on the upper right side of your screen.
Check your Wi-Fi, whether is it working or not. If your problem is still not resolved then you need to create a new Wi-Fi network location.
Creating new Wi-Fi location with custom DNS
Follow these steps to create a new Wi-Fi network location.
Step 1: Close all applications that use Wi-Fi such as Chrome, Safari etc.
Step 2: Click on the
Apple icon present on the top left side of your screen and then Click on
System Preferences
Step 3: Select
Network and then Click on
Wi-Fi
Step 4: Click on
Location Menu and then choose
Edit Location
Step 5: Click on the
[]+] icon to create a new Wi-Fi network location and type an easily identifiable name.
Step 6: Click on
Done.
Step 7: Join the Wi-Fi network and authenticate with router password.
Step 8: Select
Advance icon present on lower right side of Network Preferences window.
Step 9: Click on
TCP/IP tab and then select
Renew DHCP Lease
Step 10: Click on
DNS tab and then click on
[]+] icon from the bottom right side of the network window to add new DNS Server. We have used 8.8.8.8 and 8.8.4.4 for Google DNS.
Step 11: Select
Hardware tab, select
Manually on Configure
Step 12: Chose
Custom on MTU and type 1453 for MTU number
Step 13: Click on
Apply to apply the network settings.
Now restart your computer and check whether your problem has been resolved or not.
The above mentioned methods will almost always work to resolve your Wi-Fi problems in Mac OS X EI Capitan. However, if still you are facing the same Wi-Fi issue then you can contact to Apple Support or any Network Engineer.
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